Etymology

uno

U1N1O1

Today it means: A term said when the number of cards in player’s hand is reduced to one. If another player says this before the one whose hand contains only one card, the player who failed to say 'uno' must draw two cards. Full definition →

Spanish uno m
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uno · interjection1

  1. Spanish · learned borrowing fromuno m“one”
  2. English todayuno

PIE word *h₁óynos Learned borrowing from Spanish uno m (“one”, numeral).

Uno · proper noun2

  1. Italian and Spanish · borrowed fromuno“one”
  2. English todayUno

Borrowed from Italian and Spanish uno (“one”); players must call "uno" when down to their last card. Doublet of an and one.

Uno · proper noun3

  1. Japanese · borrowed from宇野
  2. English todayUno

Borrowed from Japanese 宇野 (Uno) or うの (Uno).

Etymology from Wiktionary, CC BY-SA 4.0.