great-grandma

English

Etymology

From great- +‎ grandma.

Noun

great-grandma (plural great-grandmas)

1. A great-grandmother.
   • 2010, Gerald Leinwand, Intimations of Immortality: Do You Want to Live Forever?, page 98:

     Yet, according to recent research, the alleged grumpiness of great-grandma and great-grandpa is more myth than reality.