I doubt that Elke was originally of Hebrew origin. It is likely a Yiddish alteration of Elke, which eventually became a feminine form of Elkanah. Hebrew names rarely, if ever, end with the letter "e."Elke is listed as a Yiddish on Wikipedia:https://en.wikipedia.org/wiki/Elke#References [noted -ed]
Elke is listed as a Yiddish on Wikipedia:
https://en.wikipedia.org/wiki/Elke#References [noted -ed]