Its exact etymological origins are unknown, but there are several candidates.
它的确切词源是未知的,但有几可能。
In fact, that's where the word “month” comes from; “month” and “Moon” are cognates, words that have similar etymological histories, and in most languages, including English, the two words are very similar.
事实上,这就是英文中“月份”(month)这词的由来;“month”和“Moon”是同源词,它们有着相似的词源历史,在包括英语在内的大多数语言中,这两词都非常相似。
If feeling that " of obscure origin" is the best we can do for copacetic, take a look at the long etymological note at the entry for copacetic at mariam-webster.com for a discussion of the word's history.
如果觉得“起源不明” 是我们能为 copacet 做的最好的事情,请查看 mariam-webster.com 上的 copacet 条目中的长词源注释,以讨论该词的历史。
Its cause was not helped by examples such the " p" which was added to the start of ptarmigan with no etymological justification whatsoever other than the fact that the Greek word for feather, ptera, started with a " p" .
之类的例子的帮助, 它被添加到 ptarmigan 的开头, 没有任何词源学理由, 除了希腊语中的羽毛一词 ptera 以“p” 开头。