What does πῦρ · αἰώνιος mean in the Bible?
πῦρ · αἰώνιος is a Greek phrase meaning "eternal fire".
Greek · G4442, G166
πῦρ τὸ αἰώνιον
"Fire" (literally or figuratively, specially, lightning) · perpetual (also used of past time, or past and future as well)
Reading a lexicon entry
What this page is: Each lexicon entry shows the original Hebrew or Greek word behind the English translation: its meaning, its range of use, and where it appears in Scripture.
Strong's number: The Strong's code (H- or G-) is the standard reference number for this word. It connects this entry to chapter and passage language tabs.
Where it appears: The witness passages show where this word is used in context. Click any to open the study page for that passage.
This lexicon entry is part of our ongoing editorial review. If you notice missing content, unclear wording, or a possible correction, please send us a note through the Connect page. Screenshots are helpful.
Words in this compound — expand to study each participant
πῦρ G4442 "fire" (literally or figuratively, specially, lightning)
Pronunciation pŷr
Fire as divine judgment and purification—literal destruction or testing that refines faith and character.
Open lexicon entry →
αἰώνιος G166 perpetual (also used of past time, or past and future as well)
Pronunciation aiṓnios
Eternal quality without end; applied to punishment, life, and God's attributes in eschatological contexts.
Open lexicon entry →
What does πῦρ τὸ αἰώνιον (pyr to aiōnion) mean in the Bible?
πῦρ · αἰώνιος is a Greek phrase meaning "eternal fire".
Full entry for πῦρ τὸ αἰώνιον (G4442, G166) · Open the biblical lexicon
Questions this entry answers
How many biblical occurrences are listed for G4442, G166?
G4442, G166 is connected to 71 lexical occurrence verses in the lexicon data.
Evidence Summary
Greek phrase. eternal fire
Source Gloss
eternal fire
Grammatical Forms
How this word appears across different grammatical cases and numbers.
This word appears as a noun across 4 case and number patterns. The form changes show how the word functions in a sentence; they do not change the basic lexical meaning by themselves.
Form patterns 4 Aligned forms 71 Case pattern Genitive (29) Number pattern Singular (71)
Nominative · Singular · Neuter Mark 9:48 · 1 Cor 3:13 · Heb 12:29 · Jas 3:5 · Jas 3:6 · Jas 5:3 · Rev 8:7 · Rev 9:17 · Rev 11:5 · Rev 20:9 10×
Genitive · Singular · Neuter Matt 5:22 · Matt 13:42 · Matt 13:50 · Matt 18:9 · Acts 2:3 · Acts 7:30 · Rom 12:20 · 1 Cor 3:15 · 2 Thess 1:8 · Heb 1:7 · Heb 10:27 · Heb 11:34 · 1 Pet 1:7 · Jude 1:7 · Jude 1:23 · Rev 1:14 29×
Dative · Singular · Neuter Matt 3:11 · Matt 3:12 · Matt 13:40 · Mark 9:49 · Luke 3:16 · Luke 3:17 · 1 Cor 3:13 · Heb 12:18 · 2 Pet 3:7 · Rev 8:8 · Rev 14:10 · Rev 15:2 · Rev 16:8 · Rev 17:16 · Rev 18:8 · Rev 21:8 16×
Accusative · Singular · Neuter Matt 3:10 · Matt 7:19 · Matt 17:15 · Matt 18:8 · Matt 25:41 · Mark 9:22 · Mark 9:43 · Luke 3:9 · Luke 9:54 · Luke 12:49 · Luke 17:29 · Luke 22:55 · John 15:6 · Acts 2:19 · Acts 28:5 · Rev 13:13 16×
Word Origins
πῦρ τὸ αἰώνιον is a primary word - no further derivation.
Sources
MorphGNT Strong's Dictionary XML — CC0 1.0 Public Domain
Open Scriptures Hebrew Bible (morphhb/OSHB) — CC BY 4.0
Open Scriptures Hebrew Lexicon — CC BY 4.0
Berean Standard Bible (BSB) source-word alignment - CC0 Public Domain