The word occurs in the writings of many early alchemists, such as Zosimos, Mary the Jewess, Olympiodorus, and Jābir ibn Hayyān (Geber).
Toto slovo se objevuje ve spisech mnoha raných alchymistů, jako byli Zosimos, Mary the Jewess, Olympiodorus a Jābir ibn Hayyān (Geber).