Bicentennial
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 23:31的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/bicentennial ref] From [https://en.wikipedia.org/wiki/Latin Latin] bitwo + centumhundred…”的新页面）
wiktionary
From Latin bitwo + centumhundred + annusyear + -al; surface analyses bi- + centennial and bi- + cent- + -ennial.
etymonline
bicentennial (adj.)
also bi-centennial, "occurring every two-hundred years," 1843, American English; see bi- + centennial (q.v.). In rivalry with bicentenary (1840) which seems to have been the more common word in Britain. From 1871 as a noun, "the two-hundredth anniversary of an event."
