From Japanese 大君 (たいくん, taikun) (great prince), a title for the shogun.
tycoon (plural tycoons)
- A wealthy and powerful business person.
- Chairman Yu is a tycoon who owns multiple hotel chains.
1956, Delano Ames, chapter 24, Crime out of Mind:
- Dagobert had only one customer, an American who wore square, rimless glasses and a beige suit and looked like a Wall Street tycoon.
wealthy, powerful business person