Etymon
gem-bleana-protowest-germanic-blaan-old-english-blawan-middle-english-blowen-english-blow-protoindoeuropean-dherh3-protoindoeuropean-dhorh3eh2-protogermanic-daro-protogermanic-ouz-protogermanic-darouz-frankish-daroubor
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.