distemper
v.
mid-14c., "to disturb," from Old French destemprer, from Medieval Latin distemperare "vex, make ill," literally "upset the proper balance (of bodily humors)," from dis- "un-, not" (see dis-) + Latin temperare "mingle in the proper proportion" (see temper, v.). Related: Distempered.
n.
1550s, from distemper, v.; in reference to a disease of dogs, from 1747.
〔李〕[dis-;temper] n.（兽类）疾病； 骚动 v.使失调 ←temper (L temperare)=to moderate 节制，调节