留置

留置	liú zhì	to leave in place; to set aside (for further use); to retain / to detain (a suspect or offender) / (medicine) indwelling
留	liú	old variant of 留
留	liú	to leave (a message etc) / to retain / to stay / to remain / to keep / to preserve
留	liú	old variant of 留
置	zhì	to install / to place / to put / to buy