Where does “profondissimo” come from?

profondissimo (Italian) comes from Italian profondo, from Latin profundus, from Latin prō, from Latin ratus, from Latin rēōr, from Proto-Italic rēōr, from Proto-Indo-European h₂reh₁-, from Proto-Indo-European h₂er- — to fit, to fix, to put together.

Ancestry of “profondissimo”, step by step

StepLanguageWordMeaning
1Italianprofondodeep, profound; deep, deeply, profoundly; depths
2Latinprofundusdeep, profound; intense, extreme, profound;...
3Latinprōfor
4Latinratusconsidered, having been considered; established,...
5Latinrēōrto reckon, calculate
6Proto-Italicrēōrto reckon, to calculate; to think, to deem, to...
7Proto-Indo-Europeanh₂reh₁-to think, reason; to arrange
8Proto-Indo-Europeanh₂er-to fit, to fix, to put together
Every word from Proto-Indo-European h₂er-
profondissimo — Etymology, Origin & Word History | Etymology Explorer