ə̇nˈfektəm noun
( -s )
Etymology: New Latin, from Latin, neuter of infectus undone, unfinished, from in- in- (I) + -fectus (from factus, past participle of facere to do, make) — more at do
: an aspectual category of tenses in Latin which includes all that indicate that action or state is in progress in contrast with those tenses which indicate that action or state is completed — compare perfectum