- polyhedron (n.)
[polyhedron 词源字典]
- 1560s, from Latinized form of Greek polyedron, neuter of adjective polyedros "having many bases or sides," from polys "many" (see poly-) + hedra "seat, base, chair, face of a geometric solid," from PIE root *sed- (1) "to sit" (see sedentary).[polyhedron etymology, polyhedron origin, 英语词源]