distinctly (adv.)youdaoicibaDictYouDict[distinctly 词源字典]
late 14c., from distinct + -ly (2).
[D]istinctly, in the sense really quite, is the badge of the superior person indulgently recognizing unexpected merit in something that we are to understand is not quite worthy of his notice. [Fowler]
[distinctly etymology, distinctly origin, 英语词源]