competency

noun

He demonstrated his competency in the field of mathematics.

意味（1）

(obsolete) A sufficient supply (of).

意味（2）

(obsolete) A sustainable income.

Superfluity comes sooner by white hairs, but competency lives longer.

意味（3）

The ability to perform some task; competence.

意味（4）

(law) Meeting specified qualifications to perform.

意味（5）

(linguistics) Implicit knowledge of a language’s structure.