IPA: //ˈbrɛdˌstʌf//
KK: /brɛdˌstʌf/
A type of food made from flour and water, usually baked, which can come in various forms such as loaves, rolls, or flatbreads.
She bought a variety of breadstuff for the picnic, including baguettes and rolls.
Breadstuff is formed from "bread" (from Old English *brēad*, meaning a type of food made from flour and water) and "stuff" (from Old French *estoffe*, meaning material or substance). The word refers to food items made from bread or similar materials.
Think of 'bread' as a type of food and 'stuff' as material — together, they remind you that 'breadstuff' refers to food items made from bread.