Meaning: The surname 贰 is quite rare and has the meaning of 'second' or 'deputy'. It is said to originate from the ancient military position of '贰师' (Er Shi), whose descendants took the surname. Another theory suggests it comes from a大夫 (Daifu, a high-ranking official) named 贰邑 (Er Yi) during the Spring and Autumn period in the state of Chu, with his descendants adopting the place name as their surname.
The surname 贰 is as unique as it sounds—it symbolizes 'second' or 'deputy' and traces back to ancient military or administrative roles. A rare gem in the world of Chinese surnames.