Where does “originalissimo” come from?

originalissimo (Italian) comes from Italian originale, from Latin orīginālis, from Latin orīgō, from Latin -igo, from Proto-Italic agō, from Proto-Indo-European h₂éǵeti, from Proto-Indo-European h₂eǵ- — to drive.

Ancestry of “originalissimo”, step by step

StepLanguageWordMeaning
1Italianoriginaleoriginal
2Latinorīginālisoriginal
3Latinorīgōcommencement act, event or process of coming into existence: beginning, origination
4Latin-igoEnlargement of -ō; Suffixed to nouns and to...
5Proto-Italicagōdrive; push, impel; do, act
6Proto-Indo-Europeanh₂éǵetito be driving
7Proto-Indo-Europeanh₂eǵ-to drive
Every word from Proto-Indo-European h₂eǵ-Every word from Proto-Indo-European h₂éǵetiEvery word from Proto-Italic agō