ショウ, あきな.う, あき
make a deal, selling, dealing in, merchant
JLPT3 G3 S11 F413
The relevant bronzeware inscription form is as per 章# (rise) + a tall platform (compare 堂) → tall platform (rising particularly high) → *trade*; *commerce*; *business*; *merchant* (← people of China's high plateaus noted for their mercantile skills, who referred to themselves as 商) → *deal in*; *compare* (← compare goods in conducting trade/business).
[Full Kanji Etymology List]