counterpart
n.
mid-15c., originally countre part "duplicate of a legal document," from Middle French contrepartie, from contre "facing, opposite" (see contra-) + partie "copy of a person or thing," originally fem. past participle of partir "to divide" (see party, n.).
〔李〕[counter-=corresponding 对应的；part n.部分⇒“a corresponding part in another place 在另一方的对应部分”→] n. thing or person closely resembling another 配对物；对手方
〔李〕[counter-=corresponding 对应的；part n. 部分→“a corre-sponding part in another place在另一处的对应部分”→] n. person or thing closely resembling another对手方；配对物