verb (used without object), su·per·vened, su·per·ven·ing.
to take place or occur as something additional or extraneous (sometimes followed by on or upon).
Origin of supervene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
to follow closely; ensue
to occur as an unexpected or extraneous development
Word Origin for supervene
C17: from Latin supervenīre to come upon, from super- + venīre to come
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper