noun
Technical term in grammar and logic for a word or particle that links subject and predicate, such as だ, です, or である in Japanese.
日本語の「だ」や「です」は繋辞の一種です。
Japanese 'da' and 'desu' are types of copula.
論理学では、繋辞は主語と述語を結びつける役割を果たす。
In logic, the copula serves to link the subject and predicate.