Where does “فلس” come from?
فلس (Persian) comes from Arabic فَلْس, from Aramaic פילס / ܦܠܣ / פולסא / ܦܘܠܣܐ, from Ancient Greek φόλλις, from Latin follis, from Proto-Indo-European bʰelǵʰ-, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.
فلس (Persian): flake, lamination, scale
Ancestry of “فلس”, step by step