Etymology tree Proto-Indo-European *h₁én Proto-Germanic *in Proto-West Germanic *in Old English in Middle English in English inbor. Italian inbor. ▲ Proto-West Germanic *in Old High German in Middle High German in German inbor. Proto-Indo-European *h₁én Proto-Italic *en Old Latin en Latin in Catalan enbor. ▲ Latin in Old French en Middle French en French enbor. Hungarian enbor. Occitan enbor.…