Where does “Ἔλγα” come from?

Ἔλγα (Greek) comes from Old Norse helga, from Old Norse heilagr, from Proto-Germanic hailagaz, from Proto-Germanic hailaz, from Proto-Indo-European *kéh₂ilos — healthy.

Ancestry of “Ἔλγα”, step by step

StepLanguageWordMeaning
1Old Norsehelgato hallow; to be sanctified; strong feminine...
2Old Norseheilagrholy; inviolable, sacred
3Proto-Germanichailagazholy, sacred
4Proto-Germanichailazwhole, unbroken, intact; entire, complete; hale,...
5Proto-Indo-European*kéh₂iloshealthy

Words derived from “Ἔλγα”

Every word from Proto-Indo-European *kéh₂ilos →Every word from Proto-Germanic hailaz →Every word from Proto-Germanic hailagaz →