Etymon
en-as-future-times-three-in-its-original-form-the-paradox-of-one-person-going-back-to-the-past-and-killing-their-grandfather-before-the-latter-fathered-the-traveler-s-father
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.