- related by birth; of the same parentage, descent, etc.
- Linguistics. descended from the same language or form: such cognate languages as French and Spanish.
- allied or similar in nature or quality.
- a person or thing cognate with another.
- a cognate word: The English word cold is a cognate of German kalt.
Origin of cognate
1635–45; < Latin cognātus, equivalent to co- co- + -gnātus (past participle of gnāscī, nāscī to be born)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cognatic
The most elementary of these groups is the maegth, the association of agnatic and cognatic relations.
Here again it will be convenient to employ the Roman terms, Agnatic and Cognatic relationship.Ancient Law
Sir Henry James Sumner Maine
The prohibition does not extend to cognatic relationship, but a man must not marry into the family of his paternal aunt.
This state of things however points to the prevalence of a cognatic organisation of society.
This story seems to imply that cognatic organisation survived in Locris down to the beginning of the seventh century.
- akin; relatedcognate languages
- related by blood or descended from a common maternal ancestorCompare agnate
- cognate object grammar a noun functioning as the object of a verb to which it is etymologically related, as in think a thought or sing a song
- something that is cognate with something else
C17: from Latin cognātus, from co- same + gnātus born, variant of nātus, past participle of nāscī to be born
Word Origin and History for cognatic
Online Etymology Dictionary, © 2010 Douglas Harper