Where does “pulvic(u)la” come from?

pulvic(u)la (Vulgar Latin) comes from Latin pulvis, from Proto-Indo-European pel- — to cover, to wrap; skin, hide, cloth; to fold.

Ancestry of “pulvic(u)la”, step by step

Step	Language	Word	Meaning
1	Latin	pulvis	dust, powder; an arena, place of contest
2	Proto-Indo-European	pel-	to cover, to wrap; skin, hide, cloth; to fold