Where does “eensaem” come from?

eensaem (Middle Dutch) comes from German einsam, from German ein, from Middle High German ein, from Old High German ein, from Proto-West Germanic ain, from Proto-Germanic ainaz, from Proto-Indo-European óynos — one; single.

Ancestry of “eensaem”, step by step

StepLanguageWordMeaning
1Germaneinsamlonely, lone
2Germaneinone; a, an; indicating motion into something
3Middle High Germaneinone
4Old High Germaneinone; only
5Proto-West Germanicainone
6Proto-Germanicainazone; some
7Proto-Indo-Europeanóynosone; single

Words derived from “eensaem

Every word from Proto-Indo-European óynosEvery word from Proto-Germanic ainazEvery word from Proto-West Germanic ain