Etymology

crux

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Today it means: The basic, central, or essential point or feature. Full definition →

Latin crux ← Proto-Indo-European *(s)ker-
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crux · noun1

  1. Proto-Indo-European · derived from*(s)ker-“to turn, to bend”
  2. Latin · borrowed fromcrux“cross, wooden frame for execution”
  3. English todaycrux

Borrowed from Latin crux (“cross, wooden frame for execution”), possibly from the Proto-Indo-European *(s)ker- (“to turn, to bend”). Doublet of cross and crouch (“cross”).

Crux · proper noun2

  1. Latin · learned borrowing fromcrux“a cross”
  2. English todayCrux

Learned borrowing from Latin crux (“a cross”).

Words from the same roots

Latincrux all →

crosscruisecruciformcrosiercrucigerouscrunode

Proto-Indo-European*(s)ker- all →

cardshareshortscreenshirtcarolcurvecrucialarrangecircuschancellorscrutinyripperscareshearcoronashrinerafflecirqueshredscornscourgeshardruckcoronavirusscreedskerryReepscrimpincarnadine

Etymology from Wiktionary, CC BY-SA 4.0.