councillor 的詞源

"議會成員"，15世紀早期，通過與 council 同化而改變了 counselor 的拼寫。

The distinction of form and sense (councilor, one of a council, counselor, one who counsels) is modern; there is no OF. or L. form corresponding to councilor (L. as if *conciliarius) as distinguished from counselor (L. consiliarius). [Century Dictionary]

形式和意義的區別（councilor，議會成員， counselor，提供建議的人）是現代的； 沒有與 councilor（拉丁語似乎爲 *conciliarius）相對應的古法語或拉丁語形式，以區別於 counselor（拉丁語爲 consiliarius）。[世紀詞典]