Etymology

existential

ex·is·tent·i·al
E1X8I1S1T1E1N1T1I1A1L1

Today it means: Of or relating to existence. Full definition →

Late Latin existentiālis, exsistentiālis ← Latin -ālis ← Proto-Indo-European *steh₂-
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The story

  1. Proto-Indo-European · derived from*steh₂-“to stand (up)”
  2. Latin · derived fromexistēns, exsistēns“being, existing; appearing, emerging; becoming”
  3. Latin · derived from-ālis
  4. Late Latin · derived fromexistentia, exsistentia“existence”
  5. Late Latin · learned borrowing fromexistentiālis, exsistentiālis“coming into or relating to existence”
  6. English todayexistential

The adjective is a learned borrowing from Late Latin existentiālis, exsistentiālis (“coming into or relating to existence”) + English -al (suffix meaning ‘of or pertaining to’ forming adjectives; and forming nouns of verbal action). Existentiālis, exsistentiālis are derived from Late Latin existentia, exsistentia (“existence”) + Latin -ālis (suffix forming adjectives of relationship); and existentia, exsistentia from Latin existēns, exsistēns (“being, existing; appearing, emerging; becoming”) (the present active participle of existō, exsistō (“to be, exist; to appear, emerge; to become”), from ex- (prefix meaning ‘away; out’) + sistō (“to cause to stand; to place, set; to halt, stop”) (ultimately from Proto-Indo-European *steh₂- (“to stand (up)”))) + -ia (suffix forming feminine abstract nouns). The noun is derived from the adjective.

Words from the same roots

Proto-Indo-European*steh₂- all →

staydistancestandstadiumstemconstitutionalarreststancestowmetastasisbestowstaunchstalwartepistemicarmisticerheostatmetastasizestanchstaddlestalworthstound

Etymology from Wiktionary, CC BY-SA 4.0.