Fire (literally or figuratively)
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אֵשׁ (esh) is the Hebrew word for fire, currently indexed about 378 times in the local Hebrew index. Fire in the OT is not merely a physical phenomenon; it is consistently the medium of divine presence, divine judgment, and divine purification.
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Full entry for אֵשׁ (H784) · Open the biblical lexicon
אֵשׁ (esh) is the Hebrew word for fire, currently indexed about 378 times in the local Hebrew index. Fire in the OT is not merely a physical phenomenon; it is consistently the medium of divine presence, divine judgment, and divine purification.
The BSB source-word alignment has 376 aligned rows for this entry. Common renderings include fire (55), . . . (48), the fire (48), in the fire (24), a fire (21).
The source-word alignment first shows this entry at Genesis 15:17. Its strongest book concentrations include Ezekiel (47), Jeremiah (38), Isaiah (33), Leviticus (32).
אֵשׁ (esh) is the Hebrew word for fire, currently indexed about 378 times in the local Hebrew index. Fire in the OT is not merely a physical phenomenon; it is consistently the medium of divine presence, divine judgment, and divine purification. The three functions are related: the same fire that represents God's presence burns up what does not belong before him, and refines what does. The theological trajectory of esh runs from the burning bush of Exodus 3 to the fire of Hebrews 12:29 ('our God is a consuming fire').
Deuteronomy 4:24 is the foundational theological statement: 'For the Lord your God is a consuming esh (esh okhelet), a jealous God.' The fire is not a secondary attribute of God; it is a description of what God himself is in relation to everything that opposes him and competes for loyalty to him. The jealousy and the consuming fire are the same thing: God's total commitment to his own glory and to his people's exclusive devotion means that whatever rivals him will be consumed. This is not cruelty; it is the natural result of the infinite standing next to the finite, the holy next to the unholy.
Exodus 3:2-4 gives fire its most memorable OT role: the burning bush. 'The angel of the Lord appeared to him in a flame of esh (labbat-esh) out of the midst of a bush. He looked, and behold, the bush was burning, yet it was not consumed.' The burning-but-not-consumed bush is the visual paradox of divine fire: the esh of God's presence is consuming, yet when God chooses to be present to his people, his fire does not destroy them. The bush burns but is not burned up — divine fire without destruction. This is the OT's picture of God's covenantal self-limitation: he is the consuming fire who chooses to be present without consuming.
First Kings 18:38 uses esh for the divine confirmation of Elijah's contest with the prophets of Baal: 'Then the fire (esh) of the Lord fell and consumed the burnt offering and the wood and the stones and the dust, and licked up the water that was in the trench.' The esh YHWH (fire of the Lord) falls from heaven and consumes not only the sacrifice but the altar, the stones, and the water — total consumption, leaving no ambiguity. The fire is the divine response to Elijah's prayer and the proof that YHWH, not Baal, is God.
For the preacher, אֵשׁ (esh) is the word that insists God cannot be approached casually: he is fire, and the approach to him requires the mediation of the sacrifice he provides.
אֵשׁ (esh) is currently indexed about 378 times in the local Hebrew index. Genesis and Exodus establish the primary patterns: ordinary fire (the wood Abraham carries, Gen 22:6), divine-presence fire (the burning bush, Exod 3:2), Sinai fire (the mountain blazes, Exod 19:18), and the pillar of fire that guides Israel at night (Exod 13:21). The Torah regulates the altar fire (Lev 1:7 — the altar fire was to be kept burning).
The historical books use fire for divine judgment (Sodom, Lev 10:2) and divine confirmation (1 Kgs 18:38). The prophets use fire for the coming judgment of God (Isa 33:14; Mal 3:2-3) and for purification (Isa 6:6-7).
For the Lord your God is a consuming fire, a jealous God.
The definitive OT theological statement about esh and God: God himself is a consuming fire (esh okhelet). This is not metaphor for divine anger only; it is a statement about what God is in his holiness. Moses gives this warning in the context of the Sinai theophany (4:10-14) and the prohibition of idolatry (4:15-20): the reason not to worship images is that the one being worshipped is consuming fire.
The fire and the jealousy are connected — the fire is what happens when the jealous God encounters the rivals to his exclusive devotion. The NT quotes this directly in Hebrews 12:29.
There the angel of the Lord appeared to him in a blazing fire from within a bush. Moses saw the bush ablaze with fire, but it was not consumed.
The burning-but-not-consumed bush: the paradox of divine esh. The bush burns (active divine presence) but is not consumed (God's covenant protection of what he has chosen to be with). Moses turns aside to see this great sight (3:3) because it is inexplicable — fire without destruction. This is the OT's visual model for how God can be the consuming fire (Deut 4:24) and yet draw near to his servant. The fire is there; the consumption is suspended by divine choice.
Then the fire of the Lord fell and consumed the sacrifice, the wood, the stones, and the dust, and it licked up the water in the trench.
The esh YHWH at Carmel: fire from heaven that consumes beyond all expectation. Elijah drenched the altar and the sacrifice with water three times to eliminate any possibility of natural ignition, and the esh YHWH consumes everything — the offering, the wood, the stone altar, the dust, and the water. The excess of the consumption (the stones, the water) establishes the divine origin beyond doubt. All the people see it and fall on their faces: 'the Lord, he is God' (18:39). The esh is the divine signature.
Then one of the seraphim flew to me, and in his hand was a glowing coal that he had taken with tongs from the altar.
The esh of the altar as the medium of purification: the seraph takes a coal from the altar and touches Isaiah's lips. 'Behold, this has touched your lips; and your iniquity is taken away, and your sin forgiven' (6:7). The same fire that would consume the sinner (Isaiah has just cried 'Woe is me!' because he is a man of unclean lips, 6:5) is the fire that purifies when mediated through the altar.
The altar esh is the OT's picture of how the consuming fire of God's holiness can approach the sinner without destroying him: through sacrifice.
But who can endure the day of His coming? And who can stand when He appears? For He will be like a refiner’s fire, like a launderer’s soap.
The refiner's esh (esh metzaref): fire that purifies rather than destroys. The messenger of the covenant comes not only to consume but to refine — like a silversmith or a goldsmith who uses fire to burn off impurities and reveal the pure metal. This is the judgment-as-purification use of esh: the Levites will be refined (3:3), not destroyed. The consuming and the purifying are both present in the divine esh — what is consumed is the impurity; what remains is the refined people of God.
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Hebrew word. Fire as divine judgment and purification; literal burning extends to metaphorical consuming of wrath and covenant violation
Fire as divine judgment and purification; literal burning extends to metaphorical consuming of wrath and covenant violation
fire (literally or figuratively) BDB: fire Usage: burning, fiery, fire, flaming, hot.
How this word appears across different grammatical cases and numbers.
Selected passage-level study witnesses for this word. This section is not the full occurrence list.
Showing 1 selected witness from 378 lexical occurrence verses.
אֵשׁ is a primitive word - no further derivation.
Symbolizes consuming and inescapable judgment. Isaiah 47:12-15
Compound and idiomatic phrases that include this word. Follow a link to study the phrase and how its parts work together.
אֵשׁ (esh) is the OT's primary image for what it is like to encounter the holy God. Deuteronomy 4:24 says it directly: God himself is a consuming fire. This means the approach to God is not casual, not safe in the sense of risk-free. The burning bush (Exod 3) shows the paradox: the fire burns but does not consume — God in his grace holds back the consuming aspect of his fire when he chooses to be present to his people.
But the fire remains there. The Sinai scene (Exod 19:18 — the mountain blazing) and the Elijah contest (1 Kgs 18:38 — fire from heaven consuming everything) are both reminders that the consuming aspect of divine fire is real and active. The pastoral application of esh is mediation: Isaiah 6:6-7 shows that the altar fire, which should consume the sinner, is the medium of purification when God appoints it.
The altar esh purifies rather than destroys because the sacrifice on the altar has taken what the sinner deserved. The NT's use of fire for the Spirit (Act 2:3 — tongues of fire) and for judgment (Heb 12:29 — our God is a consuming fire) places esh in the center of both redemption and final accountability. The preacher who handles esh faithfully will maintain the tension: the God who draws near is the consuming fire who has provided the sacrifice that allows the approach.
Deut.4.24
אֵשׁ (esh) is a feminine noun in Hebrew. It is one of the oldest and most basic words in the Semitic languages — cognate with Aramaic isha and Arabic nar. In the OT, esh occurs in several significant compounds: esh okhelet (consuming fire, Deut 4:24; Heb 12:29), esh YHWH (fire of the Lord, 1 Kgs 18:38; Num 11:1), and labbat-esh (flame of fire, Exod 3:2). The 'aishim' (H801) — the fire-offerings, the offerings by fire — are a distinct form of the root, though the connection is debated.
The altar fire in Leviticus 6:12-13 is to be kept burning continually (tamid) — the esh on the altar is perpetually lit, a permanent sign of ongoing covenant approach. The NT inherits esh through the Greek pyr (G4442, fire), which carries all the same theological dimensions.
The NT's fire theology is entirely continuous with the OT's esh. Hebrews 12:29 quotes Deuteronomy 4:24 directly: 'our God is a consuming fire' — the same statement Moses made to Israel now applies to the new covenant community that has come to Mount Zion (Heb 12:22). The refiner's fire of Malachi 3:2-3 becomes the Spirit's fire at Pentecost (Act 2:3 — tongues of fire rest on each person) and the fire of purification in 1 Corinthians 3:13-15 (each person's work will be tested by fire).
The judgment dimension of esh becomes the lake of fire in Revelation (20:10, 20:14-15 — the second death, the lake of fire): the final consuming fire that destroys everything hostile to God. The Spirit as fire (John the Baptist promises one who 'will baptize you with the Holy Spirit and fire,' Mat 3:11) holds the purifying and judging dimensions together: the same fire either purifies the repentant or judges the unrepentant.
The burning bush of Exodus 3 finds a typological echo in the theology of Christ: the one who is the consuming fire took on human flesh and dwelt among us (Jhn 1:14) without being consumed by our sinfulness, and without consuming us — the burning-but-not-consumed pattern.
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