predicativeyoudaoicibaDictYouDict[predicative 词源字典]
"(Of an adjective or noun) forming or contained in the predicate, as old in the dog is old (but not in the old dog) and house in there is a large house", Mid 19th century: from Latin praedicativus, from praedicat- 'declared' (in medieval Latin 'predicated'), from the verb praedicare (see predicate).[predicative etymology, predicative origin, 英语词源]