Where does “Աքիլլես” come from?

Աքիլլես (Armenian) comes from Old Armenian Աքիլլէս, from Ancient Greek Ἀχιλλεύς.

Ancestry of “Աքիլլես”, step by step

Step	Language	Word	Meaning
1	Old Armenian	Աքիլլէս	—
2	Ancient Greek	Ἀχιλλεύς	—

Աքիլլես — Etymology, Origin & Word History | Etymology Explorer