商兌

to discuss and deliberate

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)

surname Dui

to cash / to exchange / to add (liquid) / to blend / one of the Eight Trigrams 八卦[ba1 gua4], symbolizing swamp / ☱