제약이 · 제약을
restriction, constraint, limitation
Example
시간의 제약 때문에 모든 곳을 볼 수 없었어요.
Because of time constraints, I couldn't see every place.
Word parts
제 control+약 bind
Literally 'control and bind'.
Good to know
Homonym warning: 제약 also means 'drug manufacturing', as in 제약 회사 'pharmaceutical company'.
Related words