あせ焦aseるru
1.
To feel a sense of urgency that leads to losing composure when things are not proceeding as desired.
2.
To experience frustration from wanting to accomplish something quickly, resulting in anxiety or agitation.
3.
To act in a hasty manner due to anticipation or eagerness, often resulting in mistakes.
4.
To become increasingly restless or fidgety when waiting or hoping for a desired outcome.
Example:
彼は新しい仕事を始めようとあせっていた。