Etymon
pie-h2eyk-protoindoeuropean-h2eh2oyke-protogermanic-aigana-protogermanic-aiganaz-protowest-germanic-aigan-old-high-german-eigan-middle-high-german-eigen-german-eigenbor
A dedicated page for this root is on the way — it will gather every word descended from it, sibling forms across daughter languages, and a branching map of the family tree.