thrombosis (n.)youdaoicibaDictYouDict[thrombosis 词源字典]
1706, Modern Latin, from Greek thrombosis "a clumping or curdling" (from thrombousthai "become curdled or clotted," from thrombos "clot, curd, lump;" see thrombus) + -osis.[thrombosis etymology, thrombosis origin, 英语词源]