durative

Short definition from Wiktionary

Adjective

1. 1
   Of or pertaining to duration.
2. 2
   Long-lasting.
3. 3
   Of or pertaining to the aspect of a verb that expresses continuing action; continuative. Part of the imperfective aspect, as opposed to the perfective aspect, of verbs.

Noun

1. 1
   This aspect, or a verb in this aspect; a continuative.