Etymon
pie-per-protoindoeuropean-o-protoindoeuropean-pro-protoindoeuropean-pro-protogermanic-fra-protoindoeuropean-bher-protoindoeuropean-bhereti-protogermanic-berana-protogermanic-fraberana-old-english-forberan-middle-english-forberen-english-forbear-protoindoeuropean-yos-protoitalic-ios-old-latin-ios-latin-ius-latin-iader
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.