英语词源字典 - 在线词源网站

opine (v.)[opine 词源字典]: "express an opinion," mid-15c., from Middle French opiner (15c.) and directly from Latin opinari "have an opinion, be of opinion, suppose, conjecture, think, judge," perhaps related to optare "to desire, choose" (see option). Related: Opined; opining.[opine etymology, opine origin, 英语词源]