nausea (n.)youdaoicibaDictYouDict[nausea 词源字典]
early 15c., vomiting, from Latin nausea "seasickness," from Ionic Greek nausia (Attic nautia) "seasickness, nausea, disgust," literally "ship-sickness," from naus "ship" (see naval). Despite its etymology, the word in English seems never to have been restricted to seasickness.[nausea etymology, nausea origin, 英语词源]