Probably from Vulgar Latin *mustidus (“wet”), from Latin mustum (“unfermented wine”) and related to muscum (“moss”); from Proto-Indo-European *mus-, *mews- (“damp”). Cognate with Galician murcho, Spanish mustio, and Old Occitan moste.
Practica parlar i memoritzar " murcho " i moltes altres paraules i frases a portuguès .