Where does “αετονύχης” come from?

αετονύχης (Greek) comes from Greek αετός, from Ancient Greek ἀετός, from Proto-Hellenic ayyetós, from Proto-Indo-European h₂ewyetós, from Proto-Indo-European h₂éwis — bird.

αετονύχης (Greek): sharp operator, cunning cheat; grasping person

Definitions

sharp operator, cunning cheat; grasping person

Ancestry of “αετονύχης”, step by step

αετονύχης traces back through two separate lines of ancestry.

via Greek αετός

Step	Language	Word	Meaning
1	Greek	αετός	eagle; kite; a clever resourceful person
2	Ancient Greek	ἀετός	eagle; the constellation Aquila; omen
3	Proto-Hellenic	ayyetós	—
4	Proto-Indo-European	h₂ewyetós	—
5	Proto-Indo-European	h₂éwis	bird

via Greek νύχι

Step	Language	Word	Meaning
1	Greek	νύχι	nail, fingernail, toenail; claw; hoof
2	Byzantine Greek	νύχιν	—
3	Ancient Greek	ὀνύχιον	—
4	Ancient Greek	ὄνυξ	claw, nail, hoof, talon; Anything which resembles...
5	Proto-Indo-European	h₃nogʰ-	claw, nail; nail

Every word from Proto-Indo-European h₂éwis →Every word from Proto-Indo-European h₂ewyetós →Every word from Proto-Hellenic ayyetós →