Where does “muralleta” come from?

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

muralleta (Catalan): parapet

Definitions

parapet

Ancestry of “muralleta”, step by step

Step	Language	Word	Meaning
1	Catalan	muralla	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

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