solvent (adj.)youdaoicibaDictYouDict[solvent 词源字典]
1650s, "able to pay all one owes," from French solvent, from Latin solventem (nominative solvens), present participle of solvere "loosen, dissolve" (see solve).[solvent etymology, solvent origin, 英语词源]
solvent (n.)youdaoicibaDictYouDict
"substance able to dissolve other substances," 1670s, from Latin solventem (see solvent (n.)).