Word Study
invict |
invidia |
invidious |
invidiously |
invigilance |
invigilancy
| invigilate
| invigilation
| invigilator
| invigor
| invigorate
invigilancy
CIDE DICTIONARY
invigilancy, n. [in- not + vigilance: cf. OF. invigilance.].
Lack of vigilance; neglect of watching; carelessness. [1913 Webster]
For further exploring for "invigilancy" in Webster Dictionary Online