dewan/dəˈwɑːn/EtymologyBorrowed from Hindi दीवान (dīvān), from Classical Persian دیوَان (dēwān), from Middle Persian dywʾn' (dēwān). Doublet of divan and douane.dewan means A holder of any of various offices in various (usually Islamic) countries, usually some sort of councillor. Lexicurio rates it Rare gem — a strength score of 81 out of 100.nounA holder of any of various offices in various (usually Islamic) countries, usually some sort of councillor.“At the same time, Rajah Goordass, son of Nuncomar, was appointed dewan to the nabob, whose duties were strictly to be confined to the household, and who was to have nothing to do with the public business or public revenues of Bengal.”