Etymograph

English

terminal

Terminal comes from Late Latin terminalis ‘pertaining to a boundary or to the end,…’, and perhaps goes back to Proto-Indo-European *ter- ‘tender, weak’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ter-1‘tender, weak’uncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*térmn̥1‘boundary, end’reconstructed
  3. Proto-Italicc. 1500–700 BCE*termn̥1‘boundary stone’reconstructed
  4. Proto-Italicc. 1500–700 BCE*term(e)nos1‘boundary stone’reconstructed
  5. Latinc. 75 BCE–200 CEterminus1‘a bound, boundary, limit, end’
  6. Late Latinc. 200–600 CEterminalis1‘pertaining to a boundary or to the end, terminal, final’
  7. Englishtodayterminal1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English terminal

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ter-Wiktionary, English terminal‘tender, weak’uncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*térmn̥Wiktionary, English terminal‘boundary, end’reconstructed
  3. Proto-Italicc. 1500–700 BCE*termn̥Wiktionary, English terminal‘boundary stone’reconstructed
  4. Proto-Italicc. 1500–700 BCE*term(e)nosWiktionary, English terminal‘boundary stone’reconstructed
  5. Latinc. 75 BCE–200 CEterminusWiktionary, English terminal‘a bound, boundary, limit, end’
  6. Late Latinc. 200–600 CEterminalisWiktionary, English terminal‘pertaining to a boundary or to the end, terminal, final’
  7. EnglishtodayterminalWiktionary, English terminal

Linked words

through Proto-Indo-European *ter- ‘tender, weak’

thrill, intrigue, treachery, thro, inextricable, 30 more

through Proto-Indo-European *térmn̥ ‘boundary, end’

tram, 24 more

through Latin terminus ‘a bound, boundary, limit, end’

determination, extermination, determinism, interminable, determinate, 24 more

Today it means

noun A building in an airport where passengers transfer from ground transportation to the facilities that allow them to board airplanes.

Sources

Sources: Wiktionary, “terminal”. 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 *ter- / terminal