Where does “parello” come from?

parello (Old Portuguese) comes from Vulgar Latin pariclus, from Latin pariculus, from Latin pār, from Proto-Indo-European perH-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “parello”, step by step

Step	Language	Word	Meaning
1	Vulgar Latin	pariclus	even; equal; like
2	Latin	pariculus	kindred, similar
3	Latin	pār	even (of a number)
4	Proto-Indo-European	perH-	to fly; fore, first; exchange
5	Proto-Indo-European	per-	before, in front; first; to go through
6	Proto-Indo-European	pr̥tós	passed , crossed

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Indo-European perH- →