apposition (n.)youdaoicibaDictYouDict[apposition 词源字典]
"application" (of one thing to another), mid-15c., originally in grammatical sense, from Latin appositionem (nominative appositio), noun of action from past participle stem of apponere "to put to" (see apposite). General sense is from 1540s.[apposition etymology, apposition origin, 英语词源]