co'u'a ZAhO experimental cmavo

interval event contour: premature cessation; done although not finished; at the ending point of ... even though not completed.

This is a shade of " | >< |.">co'u"; whereas "co'u" can cover any cessation (completed or otherwise), this word definitively and affirmatively indicates that completion has not been achieved.

In notes:

superfective inchoative; starting too late