OED. I prefer to keep it. Did you notice that

來源: 於 2023-12-28 11:21:57 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

there is a history of the word fondue in a dictionary, encyclopedia and Daily News from 1878 to 1895.  You probably could not find it in any other dictionaries.