Where does “murar” come from?

murar (Spanish) comes from Spanish muro, from Old Spanish muro, from Latin mūrus, from Old Latin moerus, from Proto-Indo-European mēy- — soft, tender, dear.

murar (Spanish): to surround with a wall

Definitions

to surround with a wall

Ancestry of “murar”, step by step

Step	Language	Word	Meaning
1	Spanish	muro	wall
2	Old Spanish	muro	—
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

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