Where does “musteir” come from?

musteir (Catalan) comes from Catalan musti, from Vulgar Latin mustidus, from Latin mustum, from Latin mustus, from Proto-Indo-European mūs- — fly, stinging fly, gnat; moist, damp; swamp,...

musteir (Catalan): to wither, to shrivel

Definitions

to wither, to shrivel

Ancestry of “musteir”, step by step

Step	Language	Word	Meaning
1	Catalan	musti	—
2	Vulgar Latin	mustidus	wet
3	Latin	mustum	must; unfermented or partially fermented grape...
4	Latin	mustus	fresh, young; unfermented
5	Proto-Indo-European	mūs-	fly, stinging fly, gnat; moist, damp; swamp,...

Every word from Proto-Indo-European mūs- →Every word from Latin mustus →Every word from Latin mustum →