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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καθήκωG2520
Pronunciationkathḗkō
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 ItHe is not fit1×Acts 22:22
ought not to be done1×Romans 1:28
Show sample aligned rows
Usage map
A compact distribution from source-word alignment before the full evidence tables.
First aligned rowActs 22:22
Aligned rows2
Books represented2
Acts1Romans1
Source forms
καθῆκεν1xkathēkenActs 22:22
καθήκοντα1xkathēkontaRomans 1:28
Parsing patterns
Verb - Imperfect Indicative Active - 3rd Person Singular1xActs 22:22
Verb - Present Participle Active - Accusative Neuter Plural1xRomans 1:28
Evidence Summary
Greek word. Moral propriety or duty; what accords with nature, law, or social convention.
Strong'sG2520
Lexical occurrences2 versesGreek text appearances2 timesWord forms2 forms2 referencesVerse guides0 guides
Source Gloss
be fit
Greek Text Appearances
Textus Receptus witness, full corpusGreek 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 22:22Verb Present Active Participle Nominative Singular Neuter
καθῆκονkaqhkon
it is fitting
Read verseRomans 1:28Verb 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 groups2Aligned forms2TensesImperfect, PresentVoicesActive
Verse guides are not available for this word yet, so verse references remain plain evidence markers.
Tenses
Voices
Indicativestates a fact or reality1×
Imperfect ActiveActs 22:221×
Participleverbal adjective — the action as a modifying quality1×
Present ActiveRom 1:281×
Discourse Aspect
How this verb appears across 2 occurrences in the NT discourse index (MACULA Greek SBLGNT).
Aspect
Tense
imperfect1present1
Voice
active2
Mood
indicative1participle1
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: