slaver (v.)youdaoicibaDictYouDict[slaver 词源字典]
"dribble from the mouth," early 14c., from Old Norse slafra "to slaver," probably imitative (compare slobber (v.)). Related: Slavered; slavering. The noun is from early 14c.[slaver etymology, slaver origin, 英语词源]
slaver (n.)youdaoicibaDictYouDict
"ship in the slave trade," 1830, agent noun from slave (v.). Meaning "person in the slave trade" is from 1842.