puhekieltä To remain present beyond the limits of.
He overstayed his welcome.
The act of staying too long.
2011, Richard M. Stana, Overstay Enforcement
For example, if USCIS approves a change of status or extension of stay for a nonimmigrant, the alien may be authorized to remain in the country beyond his or her original period of admission without qualifying as an overstay.