Where does “ellin” come from?

ellin (Azerbaijani) comes from Russian э́ллин, from Ancient Greek Ἕλλην, from Ancient Greek Ἑλλοί, from Ancient Greek ἕλλα, from Proto-Hellenic *héllā.

ellin (Azerbaijani): Hellene, Ancient Greek, Grecian

Definitions

Hellene, Ancient Greek, Grecian

Ancestry of “ellin”, step by step

Step	Language	Word	Meaning
1	Russian	э́ллин	Hellene, Greek
2	Ancient Greek	Ἕλλην	Greek, one who is from Greece or speaks Greek;...
3	Ancient Greek	Ἑλλοί	The Greeks in Dodona
4	Ancient Greek	ἕλλα	seat
5	Proto-Hellenic	*héllā	—

Every word from Proto-Hellenic *héllā →Every word from Ancient Greek ἕλλα →Every word from Ancient Greek Ἑλλοί →