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

Definitions

flake, lamination, scale

Ancestry of “فلس”, step by step

Step	Language	Word	Meaning
1	Arabic	فَلْس	fish scale
2	Aramaic	פילס / ܦܠܣ / פולסא / ܦܘܠܣܐ	—
3	Ancient Greek	φόλλις	—
4	Latin	follis	bellows; purse, sack, money bag; a small value...
5	Proto-Indo-European	bʰelǵʰ-	to swell
6	Proto-Indo-European	bʰel-	to sound; to speak, roar, bark; shiny, white; to...
7	Proto-Indo-European	bʰōl-	—

Every word from Proto-Indo-European bʰōl- →Every word from Proto-Indo-European bʰel- →Every word from Proto-Indo-European bʰelǵʰ- →