Sino- definitions

Merriam Webster's

combining form Etymology: French, from Late Latin Sinae, plural, Chinese, from Greek Sinai, probably of Indo-Aryan origin; akin to Sanskrit C?n?, plural, Chinese 1. Chinese <sinology> 2. Chinese and <Sino-Tibetan>

Oxford Reference Dictionary

comb. form Chinese; Chinese and (Sino-American). Etymology: Gk Sinai the Chinese

Collin's Cobuild Dictionary

Sino- is added to adjectives indicating nationality to form adjectives which describe relations between China and another country. ...Sino-Vietnamese friendship. COMB in ADJ: ADJ n