great-

great-

prefix
1. being the parent of a person's grandparent (in the combinations great-grandfather, great-grandmother, great-grandparent)
2. being the child of a person's grandchild (in the combinations great-grandson, great-granddaughter, great-grandchild)
Translations

great-

(greit)
separated by one generation more than (an uncle, grandfather etc). A great-uncle is one's father's or mother's uncle; a great-grandchild.
References in classic literature ?
The rusks were especially good and Great- aunt Eliza ate three of them and praised them.
The great-great-, the great- and the grandmother share news of little Hannah's first days.