Where does “muralla” come from?

muralla (Catalan) comes from Late Latin muralia, from Latin muralis, from Latin mūrus, from Old Latin moerus, from Proto-Indo-European mēy- — soft, tender, dear.

muralla (Catalan): wall

Definitions

wall

Ancestry of “muralla”, step by step

Step	Language	Word	Meaning
1	Late Latin	muralia	nominative neuter plural of mūrālis; accusative...
2	Latin	muralis	wall
3	Latin	mūrus	wall, city wall(s), (usually of a city, as opposed to pariēs)
4	Old Latin	moerus	—
5	Proto-Indo-European	mēy-	soft, tender, dear

Words derived from “muralla”

emmurallar
muralleta

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