polyhedron

The story

1. Ancient Greek · derived fromπολύεδρος“having many seats”
2. New Latin · borrowed frompolyedron
3. English todaypolyhedron

From New Latin polyedron, from Ancient Greek πολύεδρος (polúedros, “having many seats”), from πολυ- (polu-, “many”) + ἕδρα (hédra, “seat”); compare French polyèdre. By surface analysis, poly- + -hedron.