noun
unsun karuta; traditional Japanese card game with 5 suits of 15 cards
A historical Japanese card game derived from Portuguese playing cards, featuring five suits of fifteen cards each. Now mostly a cultural or historical reference.
うんすんかるたは、ポルトガルから伝わったカルタを元に日本で発展した遊びです。
Unsun karuta is a game that developed in Japan based on playing cards introduced from Portugal.
博物館で江戸時代のうんすんかるたの札を見た。
I saw unsun karuta cards from the Edo period at the museum.
From Portuguese 'unsun' (a card game) + Japanese カルタ (from Portuguese 'carta'). The exact derivation of 'unsun' is uncertain, but it likely refers to a specific Portuguese card game or suit name.