Where does “onicopatia” come from?

onicopatia (Italian) comes from Italian onico-, from Ancient Greek ὄνυχος, from Ancient Greek ὄνυξ, from Proto-Indo-European h₃nogʰ- — claw, nail; nail.

onicopatia (Italian): disease of the fingernails or toenails;...

Definitions

disease of the fingernails or toenails;...

Ancestry of “onicopatia”, step by step

Step	Language	Word	Meaning
1	Italian	onico-	onycho-
2	Ancient Greek	ὄνυχος	genitive singular of ὄνῠξ; clawed
3	Ancient Greek	ὄνυξ	claw, nail, hoof, talon; Anything which resembles...
4	Proto-Indo-European	h₃nogʰ-	claw, nail; nail

Every word from Proto-Indo-European h₃nogʰ- →Every word from Ancient Greek ὄνυξ →Every word from Ancient Greek ὄνυχος →