商纣王

King Zhou of Shang (11th century BC), notorious as a cruel tyrant

Shang Dynasty (c. 1600-1046 BC) / surname Shang

commerce / merchant / dealer / to consult / 2nd note in pentatonic scale / quotient (as in 智商[zhi4 shang1], intelligence quotient)

(bound form) Zhou, pejorative name given posthumously to the last king of the Shang dynasty 商紂王|商纣王[Shang1 Zhou4 wang2] (the name refers to a crupper 紂|纣[zhou4], the piece of horse tack most likely to be soiled by the horse)

crupper (harness strap running over a horse's hindquarters and under its tail)

king or monarch / best or strongest of its type / grand / great

to rule / to reign over