Etymon
gem-brekana-protowest-germanic-brekan-old-english-brecan-middle-english-breken-english-break-old-english-of-protogermanic-dunaz-protoindoeuropean-dewh2-protoindoeuropean-nos-protoindoeuropean-duh2nos-protoceltic-dunomder
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.