From Chinese Pidgin English (1807), from English 'business' ("trade, commerce").
A simplified form of speech that develops as a means of communication between groups that do not share a common language.
Most likely from a Chinese Pidgin English pronunciation of the English word 'business.' In the trade pidgin used between British merchants and Chinese traders in Canton (Guangzhou), 'business' was reportedly pronounced as 'pidgin' or 'pigeon.' This is attested in phrases like 'pidgin English' meaning 'business English.' Other theories
Tok Pisin, the official language of Papua New Guinea spoken by millions, is a pidgin-turned-creole whose name literally means 'talk pidgin' — it evolved from a simplified trade language into a fully expressive national language with its own grammar, literature, and parliament proceedings.