This is the 2819th most frequent Korean word.
일어날
"To rise," "to get up," or "to happen."
The word "일어날" here is used to mean 'wake up' or 'get up' in the context of waking up from sleep.
나는 아침 일찍 일어날 계획이 있어요.
I plan to wake up early in the morning.
In this context, "일어날" is utilized to mean 'happen' or 'occur' regarding an event or phenomenon.
재난이 언제든지 일어날 수 있습니다.
Disaster can happen at any time.
Here, "일어나서" (derived from '일어나다') means 'getting up or rising' physically from a sitting or lying position.