Etymon
pie-h2ew-protoindoeuropean-s-protoindoeuropean-h2ows-protogermanic-auso-protowest-germanic-aua-old-english-eare-middle-english-ere-english-ear-english-pod-english-earpod-from-ear-pod
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.