Where does “Mauer” come from?

Mauer (Hunsrik) comes from Luxembourgish Mouer, from Middle High German mūre, from Old High German mūra, from Proto-West Germanic *mūrā, from Latin mūrus, from Old Latin moerus, from Proto-Indo-European mēy- — soft, tender, dear.

Mauer (Hunsrik): wall

Definitions

wall

Ancestry of “Mauer”, step by step

Step	Language	Word	Meaning
1	Luxembourgish	Mouer	moor; swamp, marsh; Moor, blackamoor, negro
2	Middle High German	mūre	wall
3	Old High German	mūra	wall
4	Proto-West Germanic	*mūrā	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 →