Where does “*mʉr” come from?

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

Ancestry of “*mʉr”, step by step

StepLanguageWordMeaning
1Latinmūruswall, city wall(s), (usually of a city, as opposed to pariēs)
2Old Latinmoerus
3Proto-Indo-Europeanmēy-soft, tender, dear

Words derived from “*mʉr

Every word from Proto-Indo-European mēy-Every word from Old Latin moerusEvery word from Latin mūrus