confinement to one's home; house arrest
Refers to being ordered or forced to stay at home as a disciplinary measure or punishment, often in a school, workplace, or legal context.
He caused trouble and was ordered to stay at home for a week.
Going out is prohibited during home confinement.
Compound of 自宅 (one's own home) and 謹慎 (self-restraint, disciplinary confinement).