Disserve
Pronunciation : Dis*serve"
Part of Speech : v.
Etymology : [Pref. dis- + serve: cf. F. desservir.]
Definition : Defn: To fail to serve; to do injury or mischief to; to damage; to hurt; to harm. Have neither served nor disserved the interests of any party. Jer. Taylor.
t. [imp. & p. p. Di; p. pr. & vb. n. Disserving.]
Source : Webster's Unabridged Dictionary, 1913