staple food

Translations
основной продукт питания
Bread is considered a staple food in many cultures.
Хлеб считается основным продуктом питания во многих культурах.
Definitions
A staple food is a basic dietary item that is consistently consumed and forms a dominant part of a population's diet, providing a significant source of energy and nutrients. Examples include rice, wheat, maize, and potatoes.
Words
staple

noun
скоба
staple

adjective
основной