Where does “apperustolare” come from?

apperustolare (Italian) comes from Latin ustulāre, from Latin uro, from Proto-Italic ouzō, from Proto-Indo-European h₁ews- — to burn.

Ancestry of “apperustolare”, step by step

Step	Language	Word	Meaning
1	Latin	ustulāre	—
2	Latin	uro	I burn, consume, inflame; to rage, to ravage
3	Proto-Italic	ouzō	—
4	Proto-Indo-European	h₁ews-	to burn

apperustolare — Etymology, Origin & Word History | Etymology Explorer