Where does “eigen-” come from?

eigen- (English) comes from German eigen, from Middle High German eigen, from Old High German eigan, from Proto-West Germanic aigan, from Proto-Germanic *aiganą, from Proto-Indo-European h₂eh₂óyḱe, from Proto-Indo-European h₂eyḱ- — to possess, to own.

Ancestry of “eigen-”, step by step

StepLanguageWordMeaning
1Germaneigenown, peculiar or private to someone,...
2Middle High Germaneigen
3Old High Germaneiganown; possession, property
4Proto-West Germanicaiganto possess, to own, to have; own
5Proto-Germanic*aiganą
6Proto-Indo-Europeanh₂eh₂óyḱeto possess, to own
7Proto-Indo-Europeanh₂eyḱ-to possess, to own

Words derived from “eigen-

Every word from Proto-Indo-European h₂eyḱ-
eigen- — Etymology, Origin & Word History | Etymology Explorer