<p>本文調查了現代日語中有同素逆序詞“AB-BA”的組合，但在現代漢語中只有 “AB”而沒有“BA”的 260 個詞的實例及其出處。 調查結果顯示，關於現代漢語詞典中未收錄的“BA”這些詞的出處，源自中國 文獻的有 158 個，源自日本文獻的有 86 個，同時出自中國文獻和日本文獻的詞有 6 個，未標明實例和出處的詞共有 10 個。 我們發現，源自日本文獻的詞彙中，尤其是出自明治時期以後的日本近代文獻 的較多。筆者認為，古代漢語詞典中之所以未收錄“BA”的原因之一就是這些詞源 自于日本近代以後的文獻。</p> <p> </p><p>This study investigates 260 examples of words that have the combination ""AB-BA"" in modern Japanese, whereas in modern Chinese there is only ""AB"" but not ""BA"" and their origins. According to the results of the survey, there are 158 words from Chinese literature and 86 words from Japanese literature, 6 words from both Chinese and Japanese literature, and 10 words with no examples or origins indicated. Among the words from Japanese literature, we find that there are more words from modern Japanese literature, specifically from the Meiji period onwards. The author believes that one of the reasons for the failure to include BA in ancient Chinese dictionaries is because these words are derived from recent Japanese literature. differences in words and mis-translations.</p> <p> </p>