Etymon
itc-auzjo-latin-haurio-latin-exhaurio-protoindoeuropean-tis-protoindoeuropean-ho-protoindoeuropean-tiho-protoitalic-tio-latin-tio-medieval-latin-exhaustiobor
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.