禁足

1. • to forbid sb to go out
2. • to confine to one location (e.g. student, soldier, prisoner, monk etc)
3. • to ground (as disciplinary measure)
4. • to gate
5. • to curfew
6. • restriction on movement
7. • ban on visiting a place
8. • out of bounds
9. • off limits
10. • caveat

Character by character

• 禁(jìn)prohibit
• 足(zú)foot