Etymograph

English

emissarium

Emissarium comes from Latin ēmissārium ‘drain, outlet’, from ēmissus ‘discharged, emitted, expelled’, and perhaps ultimately from Proto-Indo-European *méyth₂eti.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*méyth₂eti1uncertain
  2. Proto-Italicc. 1500–700 BCE*meitō1‘to put forth, put out’uncertain
  3. Old Latinc. 700–75 BCEmītō1uncertain
  4. Latinc. 75 BCE–200 CEmittō1‘to send, dispatch, cause to go, let go, release, discharge’
  5. Latinc. 75 BCE–200 CEēmittō1‘to send forth, emit, discharge’
  6. Latinc. 75 BCE–200 CEēmissus1‘discharged, emitted, expelled’
  7. Latinc. 75 BCE–200 CEēmissārium2‘drain, outlet’
  8. Englishtodayemissarium2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin emissarium
  2. 2 Wiktionary, English emissarium

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*méyth₂etiWiktionary, Latin emissariumuncertain
  2. Proto-Italicc. 1500–700 BCE*meitōWiktionary, Latin emissarium‘to put forth, put out’uncertain
  3. Old Latinc. 700–75 BCEmītōWiktionary, Latin emissariumuncertain
  4. Latinc. 75 BCE–200 CEmittōWiktionary, Latin emissarium‘to send, dispatch, cause to go, let go, release, discharge’
  5. Latinc. 75 BCE–200 CEēmittōWiktionary, Latin emissarium‘to send forth, emit, discharge’
  6. Latinc. 75 BCE–200 CEēmissusWiktionary, Latin emissarium‘discharged, emitted, expelled’
  7. Latinc. 75 BCE–200 CEēmissāriumWiktionary, English emissarium‘drain, outlet’
  8. EnglishtodayemissariumWiktionary, English emissarium

Linked words

through Old Latin mītō

permission, transmission, admission, submission, omission, remission, unremitting, commissariat, 19 more

through Latin mittō ‘to send, dispatch, cause to go, let go,…’

committee, commission, admit, mission, mess, commit, missile, transmit, premise, dismiss, intermittent, omit, amit, remit, permissive, commissary, commissar, remiss, missive, 31 more

through Latin ēmittō ‘to send forth, emit, discharge’

emit, 3 more

Today it means

noun A drain or outlet.

Sources

Sources: Wiktionary, “emissarium”; the older steps come from the Wiktionary entry for Latin emissarium. 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 *méyth₂eti / emissarium

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