Whey is the watery part left when milk curdles. Curds and whey, drain the whey, whey protein.
It was a waste product of cheesemaking for centuries and is now sold as protein powder, which is a complete reversal of its value. Little Miss Muffet was eating curds and whey, which is roughly cottage cheese.
1nounwheyThe watery part left when milk curdles.
“When making cheese, you strain the curds and pour away the whey.”
whey is a liquid.
Old English hwaeg names the liquid, from a West Germanic root.
Proto-Indo-European
*kʷey- — to pile up, build
Proto-West Germanic
*hwaij — whey
Old English
hwǣġ
Middle English
whey
English, today
whey
Built from
From Middle English whey, wheye, whei, from Old English hwǣġ, hwæiġ, hwæġ, hweġ (“whey”), from Proto-West Germanic hwaij (“whey”) (cognate with stq Waai, Woaie, West Frisian waai, Dutch wei, Low German Wei, German Low German Wei), perhaps from Proto-Indo-European kʷey- (“to pile up, build”) (compare cu чинъ (“order”), Ancient Greek ποιέω (“to pile up, make”), Sanskrit कय (“every one”)).
Etymology from Wiktionary, CC BY-SA