defecto
/deˈfeɡto/ · B1 · noun · m
defect
Same word as English defect, from Latin defectus, a lack or failure
From Latin deficere, to fall short: de- (away) + facere (to make). It is the same root as deficit and deficiency. Useful phrase: por defecto means by default, as in a setting nobody changed. It is masculine: el defecto.