Where does “muslamen” come from?

muslamen (Spanish) comes from Spanish muslo, from Vulgar Latin musclus, from Latin mūsculus, from Ancient Greek μῦς, from Proto-Hellenic *mū́s, from Proto-Indo-Iranian múHs, from Proto-Indo-European múh₂s — mouse.

muslamen (Spanish): large and voluptuous thighs, specifically those of a woman