Final answer:
The term 'great grandchildren' is written as two separate words, 'great' and 'grandchildren'. The term is used to describe the grandchildren of your own child. For example, your child's grandchild is your great grandchild.
Step-by-step explanation:
The term 'great grandchildren' is properly written as two separate words: 'great' and 'grandchildren'. The word 'great' here is being used as an adjective to describe the kind of grandchildren being referred to. To describe the relationship more precisely, the term implies that the individuals are the grandchildren of your own child, mirroring how you would be a 'grandparent' to your child's children.
For example, if you have a child named John, and John has a child named Mary, and Mary has a child named Alex, then Alex would be your 'great grandchild'.
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