Etymograph

English

concubinatus

Concubinatus comes from Latin concubinatus ‘cohabitation, concubinage’, from concumbō ‘to lie with’, and ultimately from Proto-Indo-European *ḱewb-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱewb-1reconstructed
  2. Proto-Italicc. 1500–700 BCE*kumbō1reconstructed
  3. Latinc. 75 BCE–200 CE*cumbō1‘to lie down, recline’reconstructed
  4. Latinc. 75 BCE–200 CEconcumbō2‘to lie with’
  5. Latinc. 75 BCE–200 CEconcubīna3‘concubine’
  6. Latinc. 75 BCE–200 CEconcubinatus4‘cohabitation, concubinage’
  7. Englishtodayconcubinatus4

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin concumbo
  2. 2 Wiktionary, Latin concubina
  3. 3 Wiktionary, Latin concubinatus
  4. 4 Wiktionary, English concubinatus

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱewb-Wiktionary, Latin concumboreconstructed
  2. Proto-Italicc. 1500–700 BCE*kumbōWiktionary, Latin concumboreconstructed
  3. Latinc. 75 BCE–200 CE*cumbōWiktionary, Latin concumbo‘to lie down, recline’reconstructed
  4. Latinc. 75 BCE–200 CEconcumbōWiktionary, Latin concubina‘to lie with’
  5. Latinc. 75 BCE–200 CEconcubīnaWiktionary, Latin concubinatus‘concubine’
  6. Latinc. 75 BCE–200 CEconcubinatusWiktionary, English concubinatus‘cohabitation, concubinage’
  7. EnglishtodayconcubinatusWiktionary, English concubinatus

Linked words

through Proto-Indo-European *ḱewb-

hip, cove, incumbent, cubicle, hobble, shoop, succubus, incubus, incubate, cubit, 13 more

through Latin *cumbō ‘to lie down, recline’

succumb, 8 more

Today it means

noun A type of non-marital monogamous union in Ancient Rome.

Sources

Sources: Wiktionary, “concubinatus”; the older steps come from the Wiktionary entries for Latin concumbo, Latin concubina, Latin concubinatus. 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 *ḱewb- / concubinatus