cirrus (n.)youdaoicibaDictYouDict[cirrus 词源字典]
1708, "curl-like fringe or tuft," from Latin cirrus "a lock of hair, tendril, curl, ringlet of hair; the fringe of a garment." In meteorology, cirrus clouds attested from 1803. So called from fancied resemblance of shape.[cirrus etymology, cirrus origin, 英语词源]