Where does “mur” come from?

mur (Middle Welsh) comes from Old Welsh mur, from Proto-Brythonic *mʉr, from Latin mūrus, from Old Latin moerus, from Proto-Indo-European mēy- — soft, tender, dear.

Ancestry of “mur”, step by step

StepLanguageWordMeaning
1Old Welshmur—
2Proto-Brythonic*mʉr—
3Latinmūruswall, city wall(s), (usually of a city, as opposed to pariēs)
4Old Latinmoerus—
5Proto-Indo-Europeanmēy-soft, tender, dear

Words derived from “mur”

Every word from Proto-Indo-European mēy- →Every word from Old Latin moerus →Every word from Latin mūrus →