abnegate

verbs

deny oneself (something); restrain, especially from indulging in some pleasure
"She denied herself wine and spirits"
is derived from
surrender (power or a position)
"The King abnegated his power to the ministers"
is derived from
is a type of (narrower)
give up or agree to forgo to the power or possession of another
"The last Taleban fighters finally surrendered"
deny or renounce
"They abnegated their gods"
is derived from
is derived from
is a type of (narrower)
refuse to accept or believe
"He denied his fatal illness"