Where does “derb-” come from?

derb- (Old 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.

derb- (Old Irish): surely, really, truly; used as intensifier; sure,...

Definitions

  1. surely, really, truly; used as intensifier; sure,...

Ancestry of “derb-”, 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 “derb-

Every word from Proto-Indo-European drew-Every word from Proto-Indo-European dóruEvery word from Proto-Indo-European drewh₂-