Where does “ὀνύχιον” come from?

ὀνύχιον (Ancient Greek) comes from Ancient Greek ὄνυξ, from Proto-Indo-European h₃nogʰ- — claw, nail; nail.

Ancestry of “ὀνύχιον”, step by step

StepLanguageWordMeaning
1Ancient Greekὄνυξclaw, nail, hoof, talon; Anything which resembles...
2Proto-Indo-Europeanh₃nogʰ-claw, nail; nail

Words derived from “ὀνύχιον”

Every word from Proto-Indo-European h₃nogʰ- →Every word from Ancient Greek ὄνυξ →
ὀνύχιον — Etymology, Origin & Word History | Etymology Explorer