夏商周

Xia, Shang and Zhou, the earliest named Chinese dynasties

surname Zhou / Zhou Dynasty (1046-256 BC)

to make a circuit / to circle / circle / circumference / lap / cycle / complete / all / all over / thorough / to help financially

week / weekly / variant of 周[zhou1]

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)

the Xia or Hsia dynasty c. 2000 BC / Xia of the Sixteen Kingdoms (407-432) / surname Xia

summer