Where does “Ἰάϊρος” come from?

Ἰάϊρος (Ancient Greek) comes from Hebrew יָאִיר.

Ancestry of “Ἰάϊρος”, step by step

Step	Language	Word	Meaning
1	Hebrew	יָאִיר	—

Ἰάϊρος — Etymology, Origin & Word History | Etymology Explorer