Etymograph

English

vertex

Vertex comes from Latin vertex ‘whirl, eddy’, from vertō ‘to turn around, turn about’, and ultimately from Proto-Indo-European *wert-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*wert-‘to turn, to rotate, spin’reconstructed
  2. Proto-Italicc. 1500–700 BCE*wertō‘to turn’reconstructed
  3. Latinc. 75 BCE–200 CEvertō‘to turn around, turn about’
  4. Latin, derivedc. 75 BCE–200 CEvertex‘whirl, eddy’
  5. Englishtodayvertex

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*wert-‘to turn, to rotate, spin’reconstructed
  2. Proto-Italicc. 1500–700 BCE*wertō‘to turn’reconstructed
  3. Latinc. 75 BCE–200 CEvertō‘to turn around, turn about’
  4. Latin, derivedc. 75 BCE–200 CEvertex‘whirl, eddy’
  5. Englishtodayvertex

The story

Late Middle English, borrowed from Latin vertex (‘whirl, eddy; top, crown, peak, summit’).

Linked words

through Proto-Indo-European *wert- ‘to turn, to rotate, spin’

word, worth, weird, ridiculous, universe, ridicule, derision, wurst, deride, invert, derisive, extraversion, 58 more

through Proto-Italic *wertō ‘to turn’

adverse, diversion, inverse, transverse, inversion, aversion, perverse, averse, perversion, reversion, 41 more

through Latin vertō ‘to turn around, turn about’

university, version, conversation, divorce, diversity, versus, diverse, verse, advertisement, versatile, convertible, adversity, diversification, advert, divert, revert, pervert, vertigo, introvert, avert, subvert, verso, perversity, evert, vertiginous, 50 more

through Latin vertex ‘whirl, eddy’

vertical, vortex, 2 more

Today it means

noun The highest point, top or apex of something.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *wert- / vertex