Where does “mura” come from?

mura (French) comes from French murer, from French mûr, from Middle French mur, from Old French mur, from Latin mūrus, from Old Latin moerus, from Proto-Indo-European mēy- — soft, tender, dear.

mura (French): third-person singular past historic of murer

Definitions

third-person singular past historic of murer

Ancestry of “mura”, step by step

Step	Language	Word	Meaning
1	French	murer	to wall; wall off; to wall up; to lock up
2	French	mûr	matured, ripe; mature
3	Middle French	mur	wall
4	Old French	mur	wall
5	Latin	mūrus	wall, city wall(s), (usually of a city, as opposed to pariēs)
6	Old Latin	moerus	—
7	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 →