Etymograph

English

cognation

Cognation comes from Latin cognātiō ‘kindred’, from nātiō ‘birth’, and ultimately from Proto-Indo-European *ǵenh₁- ‘to produce’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵenh₁-1‘to produce’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*ǵénh₁tis2‘birth, production’reconstructed
  3. Proto-Italicc. 1500–700 BCE*gnātiō3‘family’reconstructed
  4. Latinc. 75 BCE–200 CEnātiō4‘birth’
  5. Latinc. 75 BCE–200 CEcognātiō5‘kindred’
  6. Middle Englishc. 1150–1500cognacion5
  7. Englishearliest quotation 1662cognation5

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Indo-European *ǵénh₁tis
  2. 2 Wiktionary, Proto-Italic *gnātiō
  3. 3 Wiktionary, Latin natio
  4. 4 Wiktionary, Latin cognatio
  5. 5 Wiktionary, English cognation
  6. Earliest quotation in Wiktionary’s entry: 1662, Henry More, An Antidote Against Atheism: “[…] these stones, I say, gratifie our sight, as…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵenh₁-Wiktionary, Proto-Indo-European *ǵénh₁tis‘to produce’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*ǵénh₁tisWiktionary, Proto-Italic *gnātiō‘birth, production’reconstructed
  3. Proto-Italicc. 1500–700 BCE*gnātiōWiktionary, Latin natio‘family’reconstructed
  4. Latinc. 75 BCE–200 CEnātiōWiktionary, Latin cognatio‘birth’
  5. Latinc. 75 BCE–200 CEcognātiōWiktionary, English cognation‘kindred’
  6. Middle Englishc. 1150–1500cognacionWiktionary, English cognation
  7. Englishearliest quotation 1662cognationWiktionary, English cognation. Earliest quotation in Wiktionary’s entry: 1662, Henry More, An Antidote Against Atheism: “[…] these stones, I say, gratifie our sight, as…”

Formed from cognate + -ion

Proto-Indo-European *ǵenh₁- ‘to produce, give birth, beget’

Proto-Indo-European *ǵn̥h₁tós ‘begotten’

Proto-Italic *gnātos ‘born’

Latin gnātus ‘born’

Latin cognātus ‘related by blood’

English cognate

Linked words

through Proto-Indo-European *ǵenh₁- ‘to produce’

general, king, german, engine, nature, gender, genuine, gene, genius, oxygen, pregnant, ken, genre, indigenous, native, kindness, genocide, hydrogen, genus, kin, noel, naive, genital, kinder, nee, germ, ingenious, innate, natal, nada, nascent, puny, genial, nativity, janata, gingerly, glycogen, genitive, azadi, estrogenic, 101 more

through Proto-Indo-European *ǵénh₁tis ‘birth, production’

kind, gentle, genesis, genetics, gens, gentile, genteel, jaunty, nomen, 13 more

through Latin nātiō ‘birth’

nationalism, 2 more

Today it means

noun A cognate relationship.

Sources

Sources: Wiktionary, “cognation”; the older steps come from the Wiktionary entries for Proto-Indo-European *ǵénh₁tis, Proto-Italic *gnātiō, Latin natio, Latin cognatio. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *ǵenh₁- / cognation