Where does “somigliantissimo” come from?

somigliantissimo (Italian) comes from Italian somigliante, from Vulgar Latin *similiantem, from Vulgar Latin similiare, from Latin similis, from Proto-Italic semalis, from Proto-Indo-European sem- — together, one.

Ancestry of “somigliantissimo”, step by step

StepLanguageWordMeaning
1Italiansomigliantesimilar (to), like, resembling, alike
2Vulgar Latin*similiantem
3Vulgar Latinsimiliare
4Latinsimilissimilar
5Proto-Italicsemalissimiliar
6Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European sem-Every word from Proto-Italic semalisEvery word from Latin similis