noun, noun or participle which takes 'suru', intransitive verb
change of lodgings; moving to a new place to stay
Refers to moving from one lodging or temporary residence to another, such as changing hotels or inns. Can be used as a noun or as a suru-verb.
旅の途中で宿替えをした。
I changed lodgings during the trip.
長逗留の末、宿替えすることにした
After a long stay, I decided to move to another inn.