Where does “rhuthr” come from?

rhuthr (Welsh) comes from Proto-Indo-European h₃rew-, from Proto-Indo-European -w-.

rhuthr (Welsh): rush, assault

Definitions

  1. rush, assault

Ancestry of “rhuthr”, step by step

rhuthr traces back through two separate lines of ancestry.

via Proto-Indo-European h₃rew-

StepLanguageWordMeaning
1Proto-Indo-Europeanh₃rew-to run, to hurry
2Proto-Indo-European-w-—

via Middle Welsh ruthyr

StepLanguageWordMeaning
1Middle Welshruthyrrush
Every word from Proto-Indo-European -w- →Every word from Proto-Indo-European h₃rew- →