Etymograph

English

immersion

Immersion comes from Late Latin immersio ‘dipping’, from Latin immergō ‘to immerse, plunge into’, and ultimately from Proto-Indo-European *mesg- ‘to dip, sink’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*mesg-1‘to dip, sink’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*mésgeti1‘to sink’reconstructed
  3. Proto-Italicc. 1500–700 BCE*mezgō1reconstructed
  4. Latinc. 75 BCE–200 CEmergō1
  5. Latinc. 75 BCE–200 CEimmergō1‘to immerse, plunge into’
  6. Late Latinc. 200–600 CEimmersio2as immersiō‘dipping’
  7. Englishearliest quotation 1988immersion2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin immersio
  2. 2 Wiktionary, English immersion
  3. Earliest quotation in Wiktionary’s entry: 1988, Elizabeth Pincus, Truman Capote: The Gossip, The Dirt: “In examining Capote, Clarke follows the course of the…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*mesg-Wiktionary, Latin immersio‘to dip, sink’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*mésgetiWiktionary, Latin immersio‘to sink’reconstructed
  3. Proto-Italicc. 1500–700 BCE*mezgōWiktionary, Latin immersioreconstructed
  4. Latinc. 75 BCE–200 CEmergōWiktionary, Latin immersio
  5. Latinc. 75 BCE–200 CEimmergōWiktionary, Latin immersio‘to immerse, plunge into’
  6. Late Latinc. 200–600 CEimmersioWiktionary, English immersionas immersiō‘dipping’
  7. Englishearliest quotation 1988immersionWiktionary, English immersion. Earliest quotation in Wiktionary’s entry: 1988, Elizabeth Pincus, Truman Capote: The Gossip, The Dirt: “In examining Capote, Clarke follows the course of the…”

Linked words

through Proto-Indo-European *mesg- ‘to dip, sink’

mascot, 4 more

through Proto-Italic *mezgō

emergent, 4 more

through Latin mergō

emergency, emerge, merge, 5 more

Today it means

noun The total submerging of a person in water as an act of baptism.

Sources

Sources: Wiktionary, “immersion”; the older steps come from the Wiktionary entry for Latin immersio. 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 *mesg- / immersion