fù gǔ
to return to old ways (a Confucian aspiration)
to turn back the clock
neoclassical school during Tang and Song associated with classical writing 古文
retro (fashion style based on nostalgia, esp. for 1960s)
fù gǔ huì
anti-Qing revolutionary party set up in 1904 under Cai Yuanpei 蔡元培
same as 光復會|光复会