Английский разговорный словарь (основной) - tontine
Tontine
tontine
tɔnˈti:n n. an annuity shared by subscribers to a loan, the shares increasing as subscribers die until the last survivor gets all, or until a specified date when the remaining survivors share the proceeds. [F, f. the name of Lorenzo Tonti of Naples, originator of tontines in France c. 1653]