Sub*vene" (?), v. i. [imp. & p. p. Subvened (?); p. pr. & vb. n. Subvening.] [Pref. sub- + L. venire to come. See Subvention.]
To come under, as a support or stay; to happen.
A future state must needs subvene to prevent the whole edifice from falling into ruin.
© Webster 1913.