grandmotherhood

From grandmother +‎ -hood.

grandmotherhood (uncountable)

1. The state of being a grandmother.
   • 1860, Thomas De Quincey, Essays on Philosophical Writers and Other Men of Letters:

     Could I think otherwise of one so deeply merged in grandmotherhood?

   • 1898, Charlotte Perkins Gilman, Women and Economics – A Study of the Economic Relation Between Men and Women as a Factor in Social Evolution, page 21:

     The duties of grandmotherhood are surely not alleged as preventing economic independence.