Etymograph

English

conciliar

Conciliar comes from Latin concilium ‘council, meeting’, from calō ‘to call, announce solemnly, call out’, and ultimately from Proto-Indo-European *kelh₁-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*kelh₁-1‘to call out to’reconstructed
  2. Proto-Italicc. 1500–700 BCE*kalō1‘to call’reconstructed
  3. Latinc. 75 BCE–200 CEcalō1‘to call, announce solemnly, call out’
  4. Latinc. 75 BCE–200 CEconcilium1‘council, meeting’
  5. Latinc. 75 BCE–200 CEconciliō2as conciliāris
  6. Englishearliest quotation 2009conciliar2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin concilio
  2. 2 Wiktionary, English conciliar
  3. Earliest quotation in Wiktionary’s entry: 2009, Diarmaid MacCulloch, A History of Christianity: The First Three Thousand Years: “The next few years saw increasing tension between those…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*kelh₁-Wiktionary, Latin concilio‘to call out to’reconstructed
  2. Proto-Italicc. 1500–700 BCE*kalōWiktionary, Latin concilio‘to call’reconstructed
  3. Latinc. 75 BCE–200 CEcalōWiktionary, Latin concilio‘to call, announce solemnly, call out’
  4. Latinc. 75 BCE–200 CEconciliumWiktionary, Latin concilio‘council, meeting’
  5. Latinc. 75 BCE–200 CEconciliōWiktionary, English conciliaras conciliāris
  6. Englishearliest quotation 2009conciliarWiktionary, English conciliar. Earliest quotation in Wiktionary’s entry: 2009, Diarmaid MacCulloch, A History of Christianity: The First Three Thousand Years: “The next few years saw increasing tension between those…”

Linked words

through Proto-Indo-European *kelh₁- ‘to call out to’

low, hell, clear, claim, classic, calendar, claire, haul, declare, clarity, classify, proclamation, clarification, reclamation, clarinet, exclamation, reconciliation, squeal, clamor, clamour, clarion, claret, clas, ecclesiastic, ecclesial, 36 more

through Latin calō ‘to call, announce solemnly, call out’

counsel, 10 more

through Latin conciliō

reconcile, irreconcilable, 5 more

Today it means

adj Of or pertaining to a council, especially an ecclesiastical council.

Sources

Sources: Wiktionary, “conciliar”; the older steps come from the Wiktionary entry for Latin concilio. 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 *kelh₁- / conciliar