supererogate

• POS: Verb (intransitive)
• HYPHEN: su=per=er=o=gate

CIDE DICTIONARY

supererogate, v. i. [L. supererogatus, p. p. of supererogare to spend or pay out over and above; super over, above + erogare to expend or pay out money from the public treasury after asking the consent of the people. See Super-, and Erogate, Rogation.].

 To do more than duty requires; to perform works of supererogation; to atone (for a dificiency in another) by means of a surplus action or quality.  [1913 Webster]
"The fervency of one man in prayer can not supererogate for the coldness of another."  [1913 Webster]