- ther-
![youdao](/etym/ico/youdao.ico)
![iciba](/etym/ico/iciba.ico)
![Dict](/etym/ico/haici.ico)
[ther- 词源字典] - often thero-, word-forming element meaning "beast," from comb. form of Greek ther "wild beast, beast of prey," from PIE *ghwer- "wild beast" (cognates: Latin ferus "wild," ferox "fierce;" see fierce). Also therio-, from Greek therion.[ther- etymology, ther- origin, 英语词源]