Subvene
Pronunciation : Sub*vene"
Part of Speech : v.
Etymology : [Pref. sub- + L. venire to come. See Subvention.]
Definition : Defn: 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. Bp. Warburton.
i. [imp. & p. p. Subvened; p. pr. & vb. n. Subvening.]
Source : Webster's Unabridged Dictionary, 1913