selcouthWiktionary 原文构词拆分seld词根/词干+couth词根/词干演变路径（由近及远）英语继承自 ←中古英语 selcouth继承自 ←古英语 selcūþ原始词根原始印欧语 *ǵneh₃-词源说明From Middle English selcouth, from Old English selcūþ, seldcūþ (“unusual, unwonted, little known, unfamiliar, novel, rare”), from seld- (“rarely”) + cūþ (“known”); equivalent to seld + couth.释义（英文）形容词 Adjective(now rare) Strange, unusual, rare; unfamiliar; marvellous, wondrous.词族派生词（1）selcouthly