Etymograph

English

exert

Exert comes from Latin exsertus ‘stretched or thrust out’, from serō ‘to string together’, and ultimately from Proto-Indo-European *ser- ‘to flow’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ser-1‘to flow’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*séreti1reconstructed
  3. Proto-Italicc. 1500–700 BCE*serō1‘to join, bind, link’reconstructed
  4. Latinc. 75 BCE–200 CEserō2‘to string together’
  5. Latinc. 75 BCE–200 CEexserō2‘to stretch or thrust forth or out’
  6. Latinc. 75 BCE–200 CEexsertus2‘stretched or thrust out’past participle of exserō
  7. Englishearliest quotation 1963exert2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin sero
  2. 2 Wiktionary, English exert
  3. Earliest quotation in Wiktionary’s entry: 1963, Margery Allingham, London: Chatto & Windus: “Meanwhile Nanny Broome was recovering from her initial panic…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ser-Wiktionary, Latin sero‘to flow’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*séretiWiktionary, Latin seroreconstructed
  3. Proto-Italicc. 1500–700 BCE*serōWiktionary, Latin sero‘to join, bind, link’reconstructed
  4. Latinc. 75 BCE–200 CEserōWiktionary, English exert‘to string together’
  5. Latinc. 75 BCE–200 CEexserōWiktionary, English exert‘to stretch or thrust forth or out’
  6. Latinc. 75 BCE–200 CEexsertusWiktionary, English exert‘stretched or thrust out’past participle of exserō
  7. Englishearliest quotation 1963exertWiktionary, English exert. Earliest quotation in Wiktionary’s entry: 1963, Margery Allingham, London: Chatto & Windus: “Meanwhile Nanny Broome was recovering from her initial panic…”

Linked words

through Proto-Indo-European *ser- ‘to flow’

service, sort, stream, serve, conservative, hero, reservoir, sermon, conservatism, heresy, concierge, sorcery, sorcerer, observant, servitude, assertive, heretic, sark, conservator, strudel, servile, serf, 33 more

through Proto-Italic *serō ‘to join, bind, link’

assertion, deserter, 2 more

through Latin serō ‘to string together’

season, series, serial, desert, insert, soiree, sere, cerrado, 9 more

Today it means

verb To make use of, to apply, especially of something nonmaterial; to bring to bear.

Sources

Sources: Wiktionary, “exert”; the older steps come from the Wiktionary entry for Latin sero. 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 *ser- / exert

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