Where does “march” come from?

march (Middle Welsh) comes from Proto-Brythonic marx, from Proto-Celtic markos, from Proto-Indo-European márkos — horse; wild horse.

Ancestry of “march”, step by step

StepLanguageWordMeaning
1Proto-Brythonicmarxhorse
2Proto-Celticmarkoshorse
3Proto-Indo-Europeanmárkoshorse; wild horse

Words derived from “march”

Every word from Proto-Indo-European márkos →Every word from Proto-Celtic markos →Every word from Proto-Brythonic marx →