Where does “Abkasia” come from?

Abkasia (Faroese) comes from Russian Абха́зия, from Russian абха́з, from Georgian აფხაზი, from Abkhaz *абазӷа.

Ancestry of “Abkasia”, step by step

Step	Language	Word	Meaning
1	Russian	Абха́зия	Abkhazia
2	Russian	абха́з	—
3	Georgian	აფხაზი	Abkhaz person
4	Abkhaz	*абазӷа	—

Abkasia — Etymology, Origin & Word History | Etymology Explorer