subterfuge
Concise Oxford English Dictionary © 2008 Oxford University Press:
subterfuge /ˈsʌbtəfjuːdʒ/
▶noun a trick or deception used in order to achieve one's goal.
– origin C16: from Fr., or from late L. subterfugium, from L. subterfugere ‘escape secretly’, from subter- ‘beneath’ + fugere ‘flee’.
'subterfuge' also found in these Oxford entries:
