Sinae

Etymology
From, from , q.v. Equivalent to.

Proper noun

 * 1)   or Southern Chinese,
 * 2) * 1773, Alexander MacBean, A Dictionary of Ancient Geography..., s.v. "Sinae":
 * ... the outmoſt people to the eaſt, next the Sinus Magnus, and inclining to the ſouth, not to be blended with the Chineſe... Beyond the Sinae to the eaſt, and ſouth was a terra incognita... takes the Sinae to be the Siameſe; becauſe at this day the appellation Sinae is unknown aamong them; an argument which  on  treats as trifling.
 * 1) * 1927, Wilfred H. Schoff translating Marcian of Heraclea as Periplus of the Outer Sea..., p. 49:
 * The sailing-course beyond the Ganges to the "country of the Sinae", as stated, would very nearly reach the Gulf of Tong-King.
 * 1) * 2008, Richard L. Smith, Premodern Trade in World History, p. 111:
 * Exactly which term, "Sinae" or "Serica", equates to the modern China is a bit muddled. Sinae could refer to eastern peninsular Southeast Asia or southern China or both whereas Serica could refer to northern China or Xinjiang and eastern Central Asia or both.

Etymology
From of uncertain etymology, but probably from, possibly via  and usually held to derive from. See "Names of China" at Wikipedia. .

Proper noun

 * 1) the Chinese, specifically:
 * 2)  the southern Chinese reached via the maritime Silk Road to Panyu (Guangzhou), not known at the time to be related to the  reached by the overland route to Chang'an (Xi'an)
 * 3)  the Chinese people: the Han Chinese or citizens of China.
 * 4) the land of the Chinese, specifically:
 * 5)  the land of the southern Chinese