Meaning

noun a series of wagers in which the winnings from one wager are used as a stake for the subsequent wagers

verb stake winnings from one bet on a subsequent wager

originThe verb is derived from paroli (“cumulative bet in card games”), possibly modified under the influence of French parler (“to speak, talk”). Paroli is derived from French paroli (“double stake”), from Italian paroli, plural of parolo (first-person singular present indicative of parare (“to protect or shield (from); to prepare”), from Latin parāre, present active infinitive of parō (“to arrange,…

Etymology from Wiktionary, CC BY-SA 3.0