おいこみ
noun
final push; last spurt; home stretch
worktime-period
1. final push; last spurt; home stretch
The concentrated effort made in the closing stage of a task, a race, or a period of study, when the deadline or finish line is close.
最後(さいご)()()みだ。
This is the final push.
With the final push before the exam, I am short of sleep every day.
納期(のうき)(ちか)で、今週(こんしゅう)から()()かけることになった。
Since the deadline is near, we have decided to make a final push starting this week.

The noun form of ()() (to drive into, to corner). In this use the sense is not "cornering someone" but rather driving a task toward the finish.

Common collocations

Usage

It is used most often of exam study, work deadlines, and the closing laps of a race. In racing it also names a running style in which a horse or runner holds back and overtakes at the end.