Where does “tost” come from?

tost (Catalan) comes from Latin tostum, from Latin tostus, from Proto-Italic *torstos.

tost (Catalan): soon

Definitions

Step	Language	Word	Meaning
1	Latin	tostum	nominative neuter singular of tostus; accusative...
2	Latin	tostus	roasted, toasted, scorched, having been roasted;...
3	Proto-Italic	*torstos	—

tost — Etymology, Origin & Word History | Etymology Explorer