This is the 8995th most frequent Japanese word.
泊り
"泊り" means "staying overnight" or "lodging."
Here, '泊まる' is utilized to describe someone's planned action to stay at a specific place during a business trip.
彼は出張のためにホテルに泊まる予定です。
He plans to stay at a hotel for his business trip.
Here, '泊まりました' is used to denote the act of staying overnight at a place, which is its common usage.
私は友達の家に泊まりました。
I stayed overnight at a friend's house.
In this sentence, '泊まる' is used to reference the action of staying overnight at an accommodation, referring to the service offered by the inn.