Isetan (department store)
Proper noun referring to the Isetan department store chain, primarily in Japan.
I went shopping at Isetan on the weekend.
The department-store name abbreviates 伊勢屋丹治呉服店, the name of the clothing business from which Isetan developed. 伊勢 comes from 伊勢屋 and 丹 from 丹治.