dissuade
v.
1510s, from Middle French dissuader and directly from Latin dissuadere "to advise against, oppose by argument," from dis- "off, against" (see dis-) + suadere "to urge" (see suasion). Related: Dissuaded; dissuading.
〔李〕[di-=apart 离；suade=to urge 力劝 ⇒“to urge sb. apart 力劝某人离开”→] vt. persuade not to do sth. 劝止，劝阻
〔李〕[dis-;suad;-e] v.劝阻，劝止 ←suad,suas (L suadere,suasus)=to advise 劝告