千乘

Etymology
In -era China (early first millennium B.C.E. ), the was described as commanding  while his immediate vassals only commanded a thousand, so "thousand chariots" is used to imply a subordinate vassal.

Noun

 * 1)  one thousand horse-drawn chariots
 * 2)  vassal subject to the Son of Heaven

Proper noun

 * 1) Qiansheng