Great-granddaughter
Full definition of great-granddaughter
Noun
great-granddaughter
(plural great-granddaughters)- The daughter of someone's grandchild.
Usage notes
Additional instances of "great-" can be prepended to the term, each indicating one further generation of descent. For large numbers of generations a number can be substituted, for example, "four-greats granddaughter" or "four-times-great-granddaughter".