The process by which the word wife used to mean “woman” but now

The process by which the word wife used to mean “woman” but now means “a married woman” is_________ of word-meaning.
【正确答案】:narrowing
【题目解析】:考查语义变化的特点,wife 由泛指妇女到专门指的是已婚妇女,这个变化是词义的缩减。