perquisite
per.qui.site \'p*r-kw*-z*t\ n [ME, property acquired by other means than inheritance, fr. ML perquisitumX, fr. neut. of perquisitus, pp. of perquirere to purchase, acquire, fr. L, to search for thoroughly, fr. per- thoroughly + quaerere to seek 1: a privilege, gain, or profit incidental to regular salary or wages; e sp : one expected or promised 2: GRATUITY, TIP 3: something held or claimed as an exclusive right or possession