学界多以为“”是日本字 ,“”则罕有论及。本文对此两字进行了中日语言对比的初步探讨 ,藉此揭示中日文化交流之轨迹。指出“”为中国古有之字 ,“钱”之俗体 ;“”则缘“圆”字俗体讹变而成 ,始见于东瀛抄本 ,近现代逆输入中国 The academic circles mostly think that “” is a Japanese word, while “” is rarely mentioned. This article carries on the preliminary discussion on the Chinese and the Japanese language contrast between the two words, in order to reveal the track of Sino-Japanese cultural exchange. It points out that “” is the common custom of “zi” in China, while “” is a corpse of “Yuan”