ur-wordWiktionary 原文构词拆分ur-前缀“original, primal”Forming words with the sense of “proto-, primitive, original”.+word词根/词干词源说明From ur- (“original, primal”) + word. Compare Dutch oerwoord, German Urwort.释义（英文）名词 NounAn original or primal word; a protoword.