Etymon
pie-ti-protoindoeuropean-dedeh3ti-protoitalic-dido-latin-do-latin-edo-protoindoeuropean-tor-protoitalic-tor-latin-tor-medieval-latin-editorder
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.