Constrain (verb)

1. To restrict or limit someone or something in their actions or freedom.
2. To force or coerce someone to do something.

Origin:

From the latin constringere, meaning "to bind together, hold back", from con- meaning "together" + stringere meaning "to bind, draw tight".

Examples:

1. The tight budget constrained the company's ability to expand.
2. The law constrained the company's activities.
3. The constraint on resources constrained the research.
4. He was constrained by the rules to stay in the room.
5. She was constrained to accept the offer.