pentagon
意味
- 五角形,五辺形
- 《the P-》ペンタゴン(Arlingtonにある米国国防総省の五角形の巨大な建物)
語源
英語の原文(Wiktionary)
From Middle French pentagone, from Late Latin pentagōnum, from Ancient Greek πεντάγωνον (pentágōnon), noun use of the neuter of the adjective πεντάγωνος (pentágōnos, “five-angled”), from πέντε (pénte, “five”) + -γωνος (-gōnos, “angled”). Equivalent to penta- + -gon.