Where does “pwetrene” come from?
pwetrene (Walloon) comes from Old French peitrine, from Late Latin pectorina, from Latin pectus, from Proto-Italic pektos, from Proto-Indo-European peg-, from English polyethylene glycol — Any of a series of water-soluble polymers, of...
pwetrene (Walloon): chest, breast; breast
Ancestry of “pwetrene”, step by step