defect1
n.
/
ˈdiːfɛkt,
dɪˈfɛkt/
a shortcoming, imperfection, or lack.
Etymology
ME: from L. defectus, past part. of deficere ‘desert or fail’, from de- (expressing reversal) + facere ‘do’.
defect2
/
dɪˈfɛkt/
v.
abandon one's country or cause in favour of an opposing one.
Derivative
Etymology
C16: from L. defect-, deficere (see defect1).