Where does “famosissimo” come from?

famosissimo (Italian) comes from Italian famoso, from Latin fāmōsus, from Latin fāma, from Proto-Indo-European bʰeh₂-meh₂, from Proto-Indo-European bʰeh₂-, from Proto-Indo-European bʰeh₂-s-ri-.

Ancestry of “famosissimo”, step by step

StepLanguageWordMeaning
1Italianfamosofamous, well-known, renowned; infamous, notorious
2Latinfāmōsusfamed, celebrated, noted, renowned, famous
3Latinfāmafame
4Proto-Indo-Europeanbʰeh₂-meh₂—
5Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
6Proto-Indo-Europeanbʰeh₂-s-ri-—
Every word from Proto-Indo-European bʰeh₂-s-ri- →Every word from Proto-Indo-European bʰeh₂- →Every word from Proto-Indo-European bʰeh₂-meh₂ →