三祗百劫 (三祗百大劫)
Dictionary Definition :
Definition[1]
:
The period necessary for a bodhisattva to become a Buddha, i.e. three asamkhyeyas 阿僧祗 to attain the 六度, and 100 kalpas to acquire the thirty-two 相 or characteristic marks of a Buddha; cf. 三阿.
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous