Where does “Ersthelferin” come from?

Ersthelferin (German) comes from German Ersthelfer, from German Erste, from German Erster, from German erster, from German erste, from Old High German ērist, from Old High German ēr, from Proto-West Germanic iʀ — you (plural).

Ancestry of “Ersthelferin”, step by step

StepLanguageWordMeaning
1GermanErsthelferfirst-aider, first responder
2GermanErstefemale equivalent of Erster; inflection of...
3GermanErsterwinner; inflection of Erste: ## strong...
4Germanersterinflection of erste: ## strong/mixed nominative...
5Germanerstefirst
6Old High Germanēristearliest
7Old High Germanērore; brass; formerly, previously; early
8Proto-West Germaniche, it
9Proto-GermanicjīzAlternative form of *jūz
10Proto-Indo-European*yúHsyou (plural)
Every word from Proto-Indo-European *yúHs