great-grandparent
[greyt-gran-pair-uh nt, -par-, -grand-]
- a grandfather or grandmother of one's father or mother.
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Origin of great-grandparent
First recorded in 1880–85
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for great-grandparent
Historical Examples
Often it is one that was worn by the baby's mother, father, or even its grand or great-grandparent.
EtiquetteEmily Post