noun, noun which may take the genitive case particle 'no'
the one before last; two generations previous
Refers to the person or thing two positions back in a generational or sequential context, such as a company president, family head, or title holder. Often used with 社長, 会長, 当主, etc.
We still follow the policies established by the president two generations ago.
This tea bowl is a family heirloom passed down from two generations back.