Cullet
/ˈkʌlɪt/noun
Broken or waste glass, especially glass that can be remelted and reused.
Did you know?Cullet is valuable because adding recycled glass lowers the melting temperature of fresh batch materials, so old fragments literally help create new glass.
Etymological Timeline
14th Century
Middle English
cullet
“Broken glass or glass fragments”
Middle French
French
cullet
“A small glass cup or vessel; also glass cullet”
Late Latin
Latin
cupa
“Tub, barrel, cask; source of French cup-like forms”
Proto-Indo-European
PIE
*keup-
“To bend, curve, or hollow out”