Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ancient Greek κτείς
Proto-Indo-European (inherited)
Proto-Indo-European *peḱ- (derived)
Latin pecten (cognate)

English cteniform (derived)
English ctenidium (derived)
English ctenodont (derived)
English cteno- (derived)
English ctene (derived)
Greek χτένι (mention)
Greek χτένα (derived)
Ancient Greek κτενίζω (affix)
Ancient Greek κτένιον (affix)
Ancient Greek πεκτέω (mention)
Latin pecten (cognate)
Translingual Ctenophora (derived)
Translingual Actenoides (mention)
Translingual Ctenizoidea (mention)
Translingual Ctenotus (derived)
Translingual cteno- (derived)
Translingual Ctenus (derived)