Etymon
gem-arijaz-protowest-germanic-ari-old-english-ere-middle-english-ere-english-er-english-producer-english-hyper-english-produce-english-hyperproduce-english-er-english-hyperproducer-from-hyper-producer-or-hyperproduce-er
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.