Where does “ἰχθυόφαγος” come from?

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

ἰχθυόφαγος (Ancient Greek): fish-eating; eating fish

Definitions

fish-eating; eating fish

Ancestry of “ἰχθυόφαγος”, step by step

ἰχθυόφαγος traces back through two separate lines of ancestry.

via Ancient Greek ἰχθύς

Step	Language	Word	Meaning
1	Ancient Greek	ἰχθύς	fish
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 Ancient Greek φάγος

Step	Language	Word	Meaning
1	Ancient Greek	φάγος	glutton
2	Ancient Greek	φαγεῖν	aorist active infinitive of ἔφαγον
3	Proto-Indo-European	bʰh₂g-	—
4	Proto-Indo-European	bʰeh₂g-	to divide, distribute, allot

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