词根词缀：-hedral

【来源及含义】adj.

【同源单词】cathedral, dodecahedron, enneacotahedron, hexahedral, hexahedron, holohedral

词根词缀：tetart-, tetarto-

【来源及含义】Greek: one fourth

【同源单词】tetartanopia, tetartanopic, tetartohedral, tetartohedron