Where does “ⲁⲡⲁ” come from?

ⲁⲡⲁ (Coptic) comes from Ancient Greek ἀββα, from Aramaic אבא, from Proto-Semitic ʔabw-, from Proto-Afroasiatic ʔab-.

Ancestry of “ⲁⲡⲁ”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	ἀββα	father; title of respect given to abbots
2	Aramaic	אבא	father, ancestor, progenitor; teacher; chief,...
3	Proto-Semitic	ʔabw-	father
4	Proto-Afroasiatic	ʔab-	—

ⲁⲡⲁ — Etymology, Origin & Word History | Etymology Explorer