A four-character idiom describing the Edo-period social hierarchy: samurai (shi), farmers (nō), artisans (kō), and merchants (shō).
士農工商という身分制度は江戸時代の社会構造を表す言葉だ。
The term shino-kōshō describes the social structure of the Edo period.
歴史の授業で士農工商について学んだ。
I learned about shino-kōshō in history class.