What does ἰός (iós) mean in the Bible?
ἰός (iós): Corrosive decay or deadly toxin: destructive substances emitted from their sources with corrupting power.
Greek · G2447
ἰός
Rust (as if emitted by metals); also venom (as emitted by serpents)
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ἰόςG2447
Pronunciationiós
What does ἰός (iós) mean in the Bible?
ἰός (iós): Corrosive decay or deadly toxin: destructive substances emitted from their sources with corrupting power.
Full entry for ἰός (G2447) · Open the biblical lexicon
Questions this entry answers
How does the BSB render G2447?
The BSB source-word alignment has 3 aligned rows for this entry. Common renderings include [The] venom (1), corrosion (1), poison (1).
Where does ἰός (iós) appear in Scripture?
The source-word alignment first shows this entry at Romans 3:13. Its strongest book concentrations include James (2), Romans (1).
Are there verse guides for ἰός (iós)?
This entry includes 1 verse guide that explain exact original-language forms in context.
Source Word Evidence
BSB source-word alignment connects this entry to exact verse rows, English rendering, source form, transliteration, and parsing.
How English Renders It[The] venom1×Romans 3:13
corrosion1×James 5:3
poison1×James 3:8
Show sample aligned rows
Usage map
A compact distribution from source-word alignment before the full evidence tables.
First aligned rowRomans 3:13
Aligned rows3
Books represented2
Romans1James2
Source forms
ἰὸς2xiosRomans 3:13, James 5:3
ἰοῦ1xiouJames 3:8
Parsing patterns
Noun - Nominative Masculine Singular2xRomans 3:13, James 5:3
Noun - Genitive Masculine Singular1xJames 3:8
Key Verse and Form Guides
Verse-level guides showing how this original-language form works in its specific context, including grammar, verse function, and guarded interpretation.
Evidence Summary
Greek word. Corrosive decay or deadly toxin: destructive substances emitted from their sources with corrupting power.
Source Gloss
rust (as if emitted by metals); also venom (as emitted by serpents)
Greek Text Appearances
Textus Receptus witness, full corpusGreek token appearances from Scrivener 1894 Textus Receptus in the full New Testament corpus.
3 Greek text appearances shown. Linked morphology labels have verse guides.
iov
poison, rust
Read verseJames 3:8Noun Genitive Singular Masculine
ἰοῦiou
poison, rust
Read verseJames 5:3Noun Nominative Singular Masculine
ἰὸςiov
poison, rust
Read verseFull New Testament corpus: 260 chapters, 7,957 verses, 140,628 tokens. Data source: honza/textus-receptus (data only), with authority check against byztxt/greektext-textus-receptus.
Grammatical Forms
How this word appears across different grammatical cases and numbers.
This word appears as a noun across 2 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 patterns2Aligned forms3Case patternNominative (2)Number patternSingular (3)
Genitive · Singular · MasculineJas 3:81×
Part of These Phrases
Compound and idiomatic phrases that include this word. Follow a link to study the phrase and how its parts work together.