Where does “Tosto” come from?

Tosto (English) comes from Italian tosto, from Latin tostus, from Proto-Italic *torstos.

Ancestry of “Tosto”, step by step

StepLanguageWordMeaning
1Italiantostoat once, immediately; swift, rapid, hurried;...
2Latintostusroasted, toasted, scorched, having been roasted;...
3Proto-Italic*torstos—
Every word from Proto-Italic *torstos →Every word from Latin tostus →Every word from Italian tosto →