upsilon的词源

英文词源

upsilon (n.)

20th letter of the Greek alphabet, 1640s, from Greek u psilon, literally "a mere (or bare) 'u;' " so called in later Greek in reference to its sound. The exact reason is variously explained, but it seems to have had something to do with distinguishing it from diphthongs.

中文词源

upsilon：希腊字母表的第20个字母

来自希腊语u psilon, 即仅u音，比较epsilon.

该词的英语词源请访问找单词词源英文版：upsilon 词源，upsilon 含义。