Where does “inverno” come from?
inverno (Galician) comes from Old Portuguese inverno, from Vulgar Latin invernum, from Latin hibernum, from Latin hibernus, from Proto-Italic heimrinos, from Proto-Indo-European ǵʰey-m-r-ino-s, from Proto-Indo-European ǵʰey- — winter.
inverno (Galician): winter
Ancestry of “inverno”, step by step