deter
Concise Oxford English Dictionary © 2008 Oxford University Press:
deter /dɪˈtəː/
▶verb (deters, deterring, deterred) discourage (someone) from doing something by instilling fear of the consequences.
■ prevent the occurrence of.
– origin C16: from L. deterrere, from de- ‘away from’ + terrere ‘frighten’.
'deter' also found in these Oxford entries:

