Where does “абырзен” come from?

абырзен (Abkhaz) comes from Mingrelian ბერზენი, from Georgian ბერძენი, from Ancient Greek Βυζάντιον, from Ancient Greek -ῐον, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

абырзен (Abkhaz): Greek

Definitions

Greek

Ancestry of “абырзен”, step by step

Step	Language	Word	Meaning
1	Mingrelian	ბერზენი	Greek person
2	Georgian	ბერძენი	Greek person
3	Ancient Greek	Βυζάντιον	—
4	Ancient Greek	-ῐον	diminutive suffix; "suffix forming...
5	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

Every word from Proto-Indo-European -yós →Every word from Ancient Greek -ῐον →Every word from Ancient Greek Βυζάντιον →