tujeon/ˈtud͡ʒʌn/EtymologyBorrowed from Korean 투전 (鬪牋) (tujeon).nounLong and narrow traditional Korean playing cards, with 4, 6 or 8 suits of 10 cards each, used primarily from the 17th to 19th century.“Once tujeon started sweeping the country, people no longer paid much attention to baduk or janggi. Tujeon was popular with everyone regardless of status or gender.”