dilute
v.
1550s, from Latin dilutus, past participle of diluere "dissolve, wash away, dilute," from dis- "apart" + -luere, comb. form of lavere "to wash" (see lave). Related: Diluted; diluting. As an adjective from c.1600.
〔李〕[di-;lut;-e] v.冲淡，稀释 a.稀释的 ←lav,lut (L lavare,lutum)=to wash 洗