superstition
Concise Oxford English Dictionary © 2008 Oxford University Press:
superstition/suːpəˈstɪʃn/
▶noun excessively credulous belief in and reverence for the supernatural.
■ a widely held but irrational belief in supernatural influences, especially as bringing good or bad luck.
– origin ME: from OFr., or from L. superstitio(n-), from super- ‘over’ + stare ‘to stand’.
'superstition' also found in these Oxford entries:

