Where does “*restuculu(m)” come from?

*restuculu(m) (Vulgar Latin) comes from Vulgar Latin *restupulu(m), from Latin stupula.

Ancestry of “*restuculu(m)”, step by step

StepLanguageWordMeaning
1Vulgar Latin*restupulu(m)—
2Latinstupula—
Every word from Latin stupula →Every word from Vulgar Latin *restupulu(m) →