Where does “Heilléanachas” come from?

Heilléanachas (Irish) comes from Irish Heilléanach, from Ancient Greek Ἑλληνικός, from Ancient Greek Ἕλλην, from Ancient Greek Ἑλλοί, from Ancient Greek ἕλλα, from Proto-Hellenic *héllā.

Heilléanachas (Irish): Hellenism Greek character and culture

Definitions

Hellenism Greek character and culture

Ancestry of “Heilléanachas”, step by step

Step	Language	Word	Meaning
1	Irish	Heilléanach	Hellenic
2	Ancient Greek	Ἑλληνικός	Hellenic, Greek; like the Greeks
3	Ancient Greek	Ἕλλην	Greek, one who is from Greece or speaks Greek;...
4	Ancient Greek	Ἑλλοί	The Greeks in Dodona
5	Ancient Greek	ἕλλα	seat
6	Proto-Hellenic	*héllā	—

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