vigorish
/ˈvɪgərɪʃ/noun
US informal <美, 非正式>
1
- in sing. an excessive rate of interest on a loan, typically one from an illegal moneylender（尤指非法放债的）高额利息。
2
- mass noun the percentage deducted from a gambler's winnings by the organizers of a game（赌博）抽头。
词源
early 20th cent.: probably from Yiddish， from Russian vyigrysh 'gain， winnings'.