Where does “durissime” come from?

durissime (French) comes from French dur, from Latin durus, from Proto-Indo-European drew-, from Proto-Indo-European dóru, from Proto-Indo-European deru- — firm, solid; wood; be firm, hard, solid.

durissime (French): superhard

Definitions

  1. superhard

Ancestry of “durissime”, step by step

StepLanguageWordMeaning
1Frenchdurhard, tough; hard; harsh
2Latindurushard, rough; harsh; hardy, vigorous
3Proto-Indo-Europeandrew-hard, firm, strong, solid; hard, fast; tree
4Proto-Indo-Europeandórutree
5Proto-Indo-Europeanderu-firm, solid; wood; be firm, hard, solid
Every word from Proto-Indo-European deru- →Every word from Proto-Indo-European drew- →Every word from Proto-Indo-European dóru →