They may have just been from the same source. The OED lists it as having unknown root but having come from French, having its first recorded use in English in 1551, and to compare gallimaufry (French: galimafrée). This page in Russian (http://www.lexicon555.com/march07/etymology.htm) (translated by Google (http://translate.google.com/translate?hl=en&sl=ru&u=http://www.lexicon555.com/march07/etymology.htm&ei=RSaNSsW8DuOZjAfA1rj2DQ&sa=X&oi=translate&resnum=4&ct=result&prev=/search%3Fq%3D%25D0%2593%25D0%25B0%25D0%25BB%25D0%25B8%25D0%25BC%25D0%25B0%25D1%2582%25D1%258C%25D1%258F%2Betymology%26hl%3Den%26client%3Dsafari%26rls%3Den)) appears to contain an explanation, but I couldn't tell from context whether it was conjecture, made-up, or accurate.

(Edited to fix the link)