Granddaughter
(noun)
The daughter of one's son or daughter.
Origin:
Late middle english: from grand- (expressing relationship) + daughter.
Examples:
- He was so proud of his granddaughter.
- The grandmother couldn't wait to see her granddaughter.
- His granddaughter was the apple of his eye.
- She was having lunch with her granddaughter.
- The granddaughter was helping her grandmother in the kitchen.