cognate

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun one related by blood or origin; especially on sharing an ancestor with another
  2. noun a word is cognate with another if both derive from the same word in an ancestral language
  3. adjective related in nature

Etymology

Borrowed from Latin cognātus (“related by blood”), from co- + gnātus (“born”). Compare Portuguese cognato and Spanish cognado. Doublet of connate and cognatus.

In classic literature

Synonyms

blood relation, blood relative, sib

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