Where does “glupturus” come from?

glupturus (Latin) comes from Latin glubo, from Proto-Italic glouβō, from Proto-Indo-European glewbʰ- — to split.

Definitions

Step	Language	Word	Meaning
1	Latin	glubo	I strip the bark from a tree, I peel, I shuck; I...
2	Proto-Italic	glouβō	to split
3	Proto-Indo-European	glewbʰ-	to split

glupturus — Etymology, Origin & Word History | Etymology Explorer