pelvis (n.)youdaoicibaDictYouDict[pelvis 词源字典]
1610s, "basin-like cavity formed by the bones of the pelvic girdle," from Modern Latin, from Latin pelvis "basin, laver," Old Latin peluis "basin," from PIE *pel- "container" (cognates: Sanskrit palavi "vessel," Greek pelex "helmet," pelike "goblet, bowl," Old Norse and Old English full "cup").[pelvis etymology, pelvis origin, 英语词源]