emolument
Concise Oxford English Dictionary © 2008 Oxford University Press:
emolument /ɪˈmɒljʊm(ə)nt, ɛ-/
▶noun formal a salary, fee, or benefit from employment or office.
– origin ME: from L. emolumentum, orig. prob. ‘payment for grinding corn’, from emolere ‘grind up’.
'emolument' also found in these Oxford entries:

