great-grandfather
nounmasculine/biˈzavu/low
bi·sa·vô
Definition
The father of one's grandparent.
My great-grandfather emigrated to Brazil in the 19th century.
I still have a vague memory of my paternal great-grandfather.
Common collocations
paternal great-grandfathermaternal great-grandfatherphotograph of great-grandfather
Etymology
De 'bis-' + 'avô'.