counterpoise (n.)youdaoicibaDictYouDict[counterpoise 词源字典]
early 15c., from Old French contrepois (Modern French contrepoids), from contre- "against" (see contra-) + peis, from Latin pensum "weight," noun use of neuter past participle of pendere "to weigh" (see pendant).[counterpoise etymology, counterpoise origin, 英语词源]