Where does “dearbh” come from?

dearbh (Irish) comes from Old Irish derb, from Proto-Celtic derwos, from Proto-Indo-European drewh₂-, from Proto-Indo-European dóru, from Proto-Indo-European drew- — hard, firm, strong, solid; hard, fast; tree.

dearbh (Irish): sure, certain

Definitions

  1. sure, certain

Ancestry of “dearbh”, step by step

StepLanguageWordMeaning
1Old Irishderbsure, certain, fixed, determinate
2Proto-Celticderwosfirm
3Proto-Indo-Europeandrewh₂-steady, firm
4Proto-Indo-Europeandórutree
5Proto-Indo-Europeandrew-hard, firm, strong, solid; hard, fast; tree

Words derived from “dearbh

Every word from Proto-Indo-European drew-