Etymograph

English

monocity

Monocity comes from Old French citet ‘city’, from Proto-Italic *keiwis ‘society’, and ultimately from Proto-Indo-European *ḱey- ‘to be lying down’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱey-1‘to be lying down’reconstructed
  2. Proto-Italicc. 1500–700 BCE*keiwis1‘society’reconstructed
  3. Latinc. 75 BCE–200 CEceivis1
  4. Latinc. 75 BCE–200 CEceivitās1
  5. Late Latinc. 200–600 CEcivitas2as cīvitātem‘city’
  6. Old Frenchc. 842–1400citet3‘city’
  7. Middle Englishc. 1150–1500cite3
  8. English1500–presentcity3
  9. Englishtodaymonocity3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin civitas
  2. 2 Wiktionary, Old French citet
  3. 3 Wiktionary, English monocity

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱey-Wiktionary, Latin civitas‘to be lying down’reconstructed
  2. Proto-Italicc. 1500–700 BCE*keiwisWiktionary, Latin civitas‘society’reconstructed
  3. Latinc. 75 BCE–200 CEceivisWiktionary, Latin civitas
  4. Latinc. 75 BCE–200 CEceivitāsWiktionary, Latin civitas
  5. Late Latinc. 200–600 CEcivitasWiktionary, Old French citetas cīvitātem‘city’
  6. Old Frenchc. 842–1400citetWiktionary, English monocity‘city’
  7. Middle Englishc. 1150–1500citeWiktionary, English monocity
  8. English1500–presentcityWiktionary, English monocity
  9. EnglishtodaymonocityWiktionary, English monocity

A compound of mono- + city

Proto-Indo-European *men-

Proto-Hellenic *mónwos

Ancient Greek μόνος ‘alone, only, sole, single’

English mono-

Proto-Indo-European *ḱey- ‘to settle, be lying down’

…

Latin cīvis ‘citizen’

Latin cīvitās ‘citizenship; the state, citizens’

Old French citet ‘city’

Middle English cite ‘a city’

English city

Linked words

through Proto-Indo-European *ḱey- ‘to be lying down’

home, hide, cemetery, coma, haunt, ceilidh, hame, incivility, 28 more

through Proto-Italic *keiwis ‘society’

civilisation, civics, civility, civilize, 15 more

through Latin ceivis

civil, civic, 19 more

through Late Latin civitas ‘city’

citadel, civitas, 14 more

Today it means

noun A city (especially in the former Soviet Union) in which most of the working population work in the same industry, typically for the same organisation.

Sources

Sources: Wiktionary, “monocity”; the older steps come from the Wiktionary entries for Latin civitas, Old French citet. 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 *ḱey- / monocity