sexangularyoudaoicibaDictYouDict[sexangular 词源字典]
"Having six angles or corners; = hexagonal 2", Early 17th cent.; earliest use found in Edward Topsell (d. 1625), Church of England clergyman and author. From post-classical Latin sexangularis hexagonal from classical Latin sexangulus + -āris. Compare earlier sexangled, sexangle.[sexangular etymology, sexangular origin, 英语词源]