Where does “muralla” come from?

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

muralla (Spanish): large wall built to protect cities or territories

Definitions

large wall built to protect cities or territories

Ancestry of “muralla”, step by step

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

Words derived from “muralla”

murallón
amurallar
amurallamiento

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