Where does “աղեղ” come from?

աղեղ (Middle Armenian) comes from Persian عقیق, from Arabic عَقِيق, from Aramaic עקיק.

Ancestry of “աղեղ”, step by step

Step	Language	Word	Meaning
1	Persian	عقیق	—
2	Arabic	عَقِيق	—
3	Aramaic	עקיק	—