dissolve
v.
late 14c. (transitive and intransitive) "to break up" (of material substances), from Latin dissolvere "to loosen up, break apart," from dis- "apart" (see dis-) + solvere "to loose, loosen" (see solve). Meaning "to disband" (an assembly) is early 15c. Related: Dissolved; dissolving.
〔李〕[dis-;solv;-e] v.分解； 使溶解； 软化； 弄明白 ←solv,solut (L solvere,solutus)=to loosen 放松