Where does “apertissimo” come from?

apertissimo (Italian) comes from Italian aperto, from Latin apertus, from Latin aperiō, from Proto-Indo-European h₂epó — off, away.

Ancestry of “apertissimo”, step by step

StepLanguageWordMeaning
1Italianapertoopen; unlocked; past participle of aprire
2Latinapertusopened, open, free; public; having been opened;...
3Latinaperiōto uncover, make or lay bare, reveal, clear
4Proto-Indo-Europeanh₂epóoff, away
Every word from Proto-Indo-European h₂epó →Every word from Latin aperiō →Every word from Latin apertus →