Etymon
gem-missaz-protogermanic-missa-protowest-germanic-missa-old-english-mis-middle-english-mys-english-mis-protoindoeuropean-h2ed-protoitalic-ad-protoitalic-ad-latin-ad-protoindoeuropean-kewh1-protoindoeuropean-kuh1mosder
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.