Where does “barrinada” come from?

barrinada (Catalan) comes from Catalan barrinar, from Mozarabic barrina, from Latin veruina, from Latin verū, from Proto-Italic gʷeru, from Proto-Indo-European gʷéru — spit, skewer; spear, throwing spear.

barrinada (Catalan): a hole drilled by a gimlet or auger

Definitions

a hole drilled by a gimlet or auger

Ancestry of “barrinada”, step by step

Step	Language	Word	Meaning
1	Catalan	barrinar	to bore, to ream
2	Mozarabic	barrina	—
3	Latin	veruina	—
4	Latin	verū	spit, broach (especially for roasting)
5	Proto-Italic	gʷeru	spit
6	Proto-Indo-European	gʷéru	spit, skewer; spear, throwing spear

Every word from Proto-Indo-European gʷéru →Every word from Proto-Italic gʷeru →Every word from Latin verū →