Where does “ⲭⲱⲃⲁ” come from?

ⲭⲱⲃⲁ (Coptic) comes from Arabic الْكُوفَة.

Ancestry of “ⲭⲱⲃⲁ”, step by step

Step	Language	Word	Meaning
1	Arabic	الْكُوفَة	—