Where does “ultrahard” come from?

ultrahard (English) comes from English hard, from Old French hardi, from Old French hardir, from Frankish hardijan, from Proto-Germanic hardijaną, from Proto-Germanic harduz, from Proto-Indo-European kert-, from Proto-Turkic *keŕ- — to travel, tour.

ultrahard (English): Extremely hard; of utmost hardness; harder than...

Definitions

  1. Extremely hard; of utmost hardness; harder than...

Ancestry of “ultrahard”, step by step

StepLanguageWordMeaning
1EnglishhardHaving a severe property; presenting difficulty;...
2Old Frenchhardihardy; tough; durable
3Old Frenchhardirto harden
4Frankishhardijanto harden, to make hard
5Proto-Germanichardijanąto make hard, strong; to harden
6Proto-Germanicharduzhard; brave
7Proto-Indo-Europeankert-times; to weave, twist together; time
8Proto-Turkic*keŕ-to travel, tour

Words derived from “ultrahard

Every word from Proto-Turkic *keŕ-Every word from Proto-Indo-European kert-Every word from Proto-Germanic harduz