dissever
Concise Oxford English Dictionary © 2008 Oxford University Press:
dissever /dɪ(s)ˈsɛvə/
▶verb divide or sever.
– derivatives
disseverance noun,
disseverment noun.
disseverance noun,
disseverment noun.
– origin ME: from OFr. dessevrer, from late L. disseparare, from dis- (expressing intensive force) + L. separare ‘to separate’.
'dissever' also found in these Oxford entries:

