Where does “vitalissimo” come from?

vitalissimo (Italian) comes from Italian vitale, from Italian vita, from Latin vīta, from Latin vīvō, from Proto-Italic gʷīwō, from Proto-Indo-European gʷíh₃weti, from Proto-Indo-European gʷih₃wós, from Proto-Indo-European gʷeih₃w- — to live.

Ancestry of “vitalissimo”, step by step

StepLanguageWordMeaning
1Italianvitalelife; vital, living
2Italianvitalife; waist
3Latinvītalife
4Latinvīvōto live
5Proto-Italicgʷīwōlive, be alive
6Proto-Indo-Europeangʷíh₃wetito live, to be alive
7Proto-Indo-Europeangʷih₃wósalive, living
8Proto-Indo-Europeangʷeih₃w-to live
Every word from Proto-Indo-European gʷeih₃w-Every word from Proto-Indo-European gʷih₃wósEvery word from Proto-Indo-European gʷíh₃weti