folding fee; fee for folding
In hanafuda, the amount a player must pay into the pot when they choose to fold (drop out of the round).
In hanafuda, there is a rule that you pay a folding fee when you drop out mid-game.
Alternate kanji spelling; 降り emphasizes the action of folding (dropping out).
Compound of 下り/降り (おり, 'dropping out, folding') + 賃 (ちん, 'fee, charge').