great-grandparents
See also: great grandparents
English
editNoun
editgreat-grandparents
Usage notes
editAdditional instances of "great-" can be prepended to the term, each indicating one further generation of ancestry. For large numbers of generations a number can be substituted, for example, "fourth great-grandparents", "four-greats grandparents" or "four-times-great-grandparents".