This is the 16511th most frequent Korean word.
사고
"사고" means "accident" or "thought/thinking," depending on context.
Here, '사고' is the conjugated form of the verb '사다' (to buy) in the present continuous tense.
새 자동차를 사고 싶어요.
I want to buy a new car.
In this sentence, '사고' means 'an accident,' which is a noun referring to an unintended event.
그는 교통 사고를 당했어요.
He had a traffic accident.
Here, '사고' signifies 'thinking' or 'pondering,' derived from the noun meaning 'thought' or 'contemplation' originating from a Chinese root.