Where does “arditissimo” come from?

arditissimo (Italian) comes from Italian ardito, from Italian ardire, from Frankish hardijan, from Proto-Germanic hardijaną, from Proto-Germanic harduz, from Proto-Indo-European kert-, from Proto-Turkic *keŕ- — to travel, tour.

Ancestry of “arditissimo”, step by step

StepLanguageWordMeaning
1Italianarditobrave, doughty; daring; forward, bold
2Italianardireto dare; daring, boldness; impudence
3Frankishhardijanto harden, to make hard
4Proto-Germanichardijanąto make hard, strong; to harden
5Proto-Germanicharduzhard; brave
6Proto-Indo-Europeankert-times; to weave, twist together; time
7Proto-Turkic*keŕ-to travel, tour
Every word from Proto-Turkic *keŕ-Every word from Proto-Indo-European kert-Every word from Proto-Germanic harduz