punctiliar

from Wiktionary
1. (grammar) Of or pertaining to an (l, en, unextended) point of time:
2. # (of an action) Occurring at a definite and particular point in time.
3. # (of verbal aspect or tense) Relating to a punctiliar action or event.

The completed aspect is not the same as what is called punctiliar.

by cometojc March 16, 2018