Where does “Héloïse” come from?

Héloïse (French) comes from Proto-Germanic Hailawidiz, from Proto-Germanic hailaz, from Proto-Indo-European *kéh₂ilos.

Ancestry of “Héloïse”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	Hailawidiz	—
2	Proto-Germanic	hailaz	whole, unbroken, intact; entire, complete; hale,...
3	Proto-Indo-European	*kéh₂ilos	—

Héloïse — Etymology, Origin & Word History | Etymology Explorer