The compound word **摊牌 (tānpái)** is formed by combining the verb **摊 (tān)**, meaning "to spread out" or "to lay bare," with the noun **牌 (pái)**, meaning "cards" or "playing cards." Literally, it originates from the act of laying one's cards face-up on the table at a critical moment in a card game, thereby revealing one's hand. Figuratively, this action evolved into the modern metaphorical meaning of openly revealing one's true intentions, resources, or bottom line in a confrontation, negotiation, or conflict, thus forcing a final and decisive outcome.