The amount you’re playing with is called your “stake”. (Same root as “proof of stake” in crypto.) You might stake another player (loan them the money and colle

The amount you’re playing with is called your “stake”. (Same root as “proof of stake” in crypto.) You might stake another player (loan them the money and collect interest/vigorish). In modern high-stakes poker, you might also “buy a piece” of a player where they put up half and you put up half and split the win/loss (or have another split).