From Late Latin Sīnae (“the Chinese”), from Ptolemy's Ancient Greek Σῖναι (Sînai, “the Chinese”), of uncertain etymology but probably from Sanskrit चीन (Cīna, “China”), possibly via Arabic صِين (ṣīn, “China; the Chinese”) and usually held to derive from Old Chinese 秦 (*Dzin, “Qin”). See "Names of China" at Wikipedia.
- A combining form relating to China or the Chinese, in those terms' various senses.
- In the 1970s, Sino-Soviet rivalry also spread to Africa and the Middle East.
- He's a Sino-Kadazan: half Chinese, half Kadazan.