great-
prefix
being the parent of a person's grandparent (in the combinations great-grandfather, great-grandmother, great-grandparent)
being the child of a person's grandchild (in the combinations great-grandson, great-granddaughter, great-grandchild)
ORIGIN: Use of great .
great-
Prefix
- With familial designations, used to denote a removal of one generation
- great-uncle (an uncle of one's mother or father)
- great-grandfather (the father of one's grandfather)
- great-great-grandfather (a grandfather of one's grandfather)
- great-great-great-grandfather, etc.
- informal fourth-great-uncle, etc. (same as great-great-great-great-uncle)
- informal fourth-great-grandfather, etc. (same as great-great-great-great-grandfather)