Etymon
en-o-protoindoeuropean-dheh1-protoindoeuropean-dheh1k-protoindoeuropean-yeti-protoindoeuropean-dhh1kyeti-protoitalic-akjo-protoitalic-fakjo-latin-facio-protoitalic-jes-latin-ies-latin-facies-protoindoeuropean-h2elder
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.