Etymology

blackjack

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Today it means: A common gambling card game in casinos, where the object is to get as close to 21 without going over. Full definition →

English jack ← Middle English Jackin ← French Jacques
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blackjack · noun, verb1

  1. Proto-Germanic*blakaz
  2. Proto-West Germanic*blak
  3. Old Englishblæc
  4. Middle Englishblak
  5. Englishblack
  6. Biblical Hebrewעָקַב
  7. Biblical Hebrewיַעֲקֹב (yaʿăqōḇ)
  8. Ancient GreekἸακώβ (Iakṓb)
  9. Ancient GreekἸάκωβος (Iákōbos)
  10. LatinIācōbusslbor.?
  11. FrenchJacques
  12. Middle EnglishJackin
  13. EnglishJack
  14. Englishjack
  15. English todayblackjack

From black + jack.

Blackjack · noun2

From the card game blackjack, also called twenty-one, which is one of two pronunciations of 2NE1's name (the other being "to anyone").

Etymology from Wiktionary, CC BY-SA 4.0.