comforter (n.)youdaoicibaDictYouDict[comforter 词源字典]
mid-14c., "one who consoles or comforts," from Anglo-French confortour (Old French comforteor), from Vulgar Latin *confortatorem, agent noun from Late Latin confortare (see comfort (v.)). As a kind of scarf, from 1823; as a kind of coverlet, from 1832.[comforter etymology, comforter origin, 英语词源]