rime (n.)youdaoicibaDictYouDict[rime 词源字典]
"hoarfrost," Old English hrim, from Proto-Germanic *khrima- (cognates: Old Norse hrim, Dutch rijm, German Reif). Old French rime is of Germanic origin. Rare in Middle English, surviving mainly in Scottish and northern English, revived in literary use late 18c.[rime etymology, rime origin, 英语词源]