Where does “cordialissimo” come from?

cordialissimo (Italian) comes from Italian cordiale, from Latin cordiālis, from Latin cor, from Proto-Italic kord, from Proto-Indo-European ḱḗr — heart.

Ancestry of “cordialissimo”, step by step

StepLanguageWordMeaning
1Italiancordialewarm, cordial; cordial
2Latincordiālisof the heart, heart-, cardiac
3Latincorheart; soul, mind
4Proto-Italickordheart
5Proto-Indo-Europeanḱḗrheart
Every word from Proto-Indo-European ḱḗr →Every word from Proto-Italic kord →Every word from Latin cor →