taipan (1)youdaoicibaDictYouDict
"A foreigner who is head of a business in China", Mid 19th century: from Chinese (Cantonese dialect) daaihbāan.
taipan (2)youdaoicibaDictYouDict
"A large brown highly venomous Australian snake", 1930s: from Wik Munkan (an extinct Aboriginal language of North Queensland) dhayban.