kabufuda (playing cards for oicho-kabu)
A specific type of traditional Japanese playing cards used in the game oicho-kabu. The term is domain-specific and not commonly encountered outside that context.
See also: おいちょかぶ
In oicho-kabu, kabufuda cards are used.
merchant guild membership tag (Edo period)
Historical term referring to a tag or certificate that verified membership in a merchant guild (株仲間) during the Edo period. Rare and not used in modern contexts.
See also: 株仲間
In the Edo period, merchants carried a kabufuda to prove their guild membership.
Compound of 株 (kabu, 'stock' or 'guild') and 札 (fuda, 'card' or 'tag'). The exact historical derivation is uncertain, but the word reflects the dual use as playing cards and guild tags.