noun which may take the genitive case particle 'no'
bare minimum; minimum necessary
Used to describe the absolute minimum amount, number, or level required for something. Often used with nouns like 生活費 (living expenses) or 知識 (knowledge).
What is the bare minimum living expense for living alone?
This job requires a minimum necessary level of English ability.
Compound of 必要 (necessary) and 最低限 (minimum). The exact historical derivation is uncertain, but the word is a straightforward combination of its components.