What does καθήκω (kathḗkō) mean in the Bible?
καθήκω (kathḗkō): Moral propriety or duty; what accords with nature, law, or social convention.
Greek · G2520
καθήκω
Be fit
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καθήκω G2520
Pronunciation kathḗkō
What does καθήκω (kathḗkō) mean in the Bible?
καθήκω (kathḗkō): Moral propriety or duty; what accords with nature, law, or social convention.
Full entry for καθήκω (G2520) · Open the biblical lexicon
Questions this entry answers
How does the BSB render G2520?
The BSB source-word alignment has 2 aligned rows for this entry. Common renderings include He is not fit (1), ought not to be done (1).
Where does καθήκω (kathḗkō) appear in Scripture?
The source-word alignment first shows this entry at Acts 22:22. Its strongest book concentrations include Acts (1), Romans (1).
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 He is not fit 1× Acts 22:22
ought not to be done 1× Romans 1:28
Show sample aligned rows
Usage map
A compact distribution from source-word alignment before the full evidence tables.
First aligned row Acts 22:22
Aligned rows 2
Books represented 2
Acts 1 Romans 1
Source forms
καθῆκεν 1x kathēken Acts 22:22
καθήκοντα 1x kathēkonta Romans 1:28
Parsing patterns
Verb - Imperfect Indicative Active - 3rd Person Singular 1x Acts 22:22
Verb - Present Participle Active - Accusative Neuter Plural 1x Romans 1:28
Evidence Summary
Greek word. Moral propriety or duty; what accords with nature, law, or social convention.
Strong's G2520
Lexical occurrences 2 verses Greek text appearances 2 times Word forms 2 forms 2 references Verse guides 0 guides
Source Gloss
be fit
Greek Text Appearances
Textus Receptus witness, full corpus Greek token appearances from Scrivener 1894 Textus Receptus in the full New Testament corpus.
2 Greek text appearances shown. Linked morphology labels have verse guides.
Acts 22:22 Verb Present Active Participle Nominative Singular Neuter
καθῆκον kaqhkon
it is fitting
Read verse Romans 1:28 Verb Present Active Participle Accusative Plural Neuter
καθήκοντα, kaqhkonta
it is fitting
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 mood, tense, and voice shift the force of this verb in context.
This verb appears through different tense, voice, mood, or stem patterns. Those forms help readers see how the action is presented in context.
Form groups 2 Aligned forms 2 Tenses Imperfect, Present Voices Active
Verse guides are not available for this word yet, so verse references remain plain evidence markers.
Tenses
Voices
Indicative states a fact or reality 1×
Imperfect Active Acts 22:22 1×
Participle verbal adjective — the action as a modifying quality 1×
Present Active Rom 1:28 1×
Discourse Aspect
How this verb appears across 2 occurrences in the NT discourse index (MACULA Greek SBLGNT).
Aspect
Tense
imperfect 1 present 1
Voice
active 2
Mood
indicative 1 participle 1
NT Occurrences
Aspect reflects grammatical form — not authorial emphasis. Participles and infinitives are verbal adjectives and nouns respectively.
Clause data: MACULA Greek (Clear Bible, CC BY 4.0) · SBLGNT (Logos/SBL, CC BY 4.0)
Word Origins
καθήκω is built from these roots:
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