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1730s, from French congénère (16c.), from Latin congener "of the same race or kind," from com- "together" (see com-) + gener-, stem of genus "kind" (see genus).
congener con·ge·ner (kŏn'jə-nər)n.
A member of the same kind, class, or group.
An organism of the same taxonomic genus as another organism.
One of two or more muscles having the same function.