copula

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun an equating verb (such as `be' or `become') that links the subject with the complement of a sentence

Borrowed from Latin cōpula (“connection, linking of words”), from co- (“together”) + apere (“fasten”). Doublet of couple.

Logically, it is merely the copula of a judgement. — The Critique of Pure Reason, Immanuel Kant
We hereby nominate our faithful charger Copula Felix hereditary Grand Vizier and announce that we have this day repudiated our former spouse and have bestowed our royal hand upon the princess Selene, the splendour of night. — Ulysses, James Joyce

copulative, linking verb

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