Where does “Ἀμᾱλήκ” come from?

Ἀμᾱλήκ (Koine Greek) comes from Hebrew עֲמָלֵק.

Ancestry of “Ἀμᾱλήκ”, step by step

Step	Language	Word	Meaning
1	Hebrew	עֲמָלֵק	—

Ἀμᾱλήκ — Etymology, Origin & Word History | Etymology Explorer