ひ孫

1. Origins, structure, and basic meaning

• Structure: ひ孫 is read as ひまご and is a kinship noun for a great-grandchild, the child of one's grandchild and a descendant three generations below the reference person.
• Basic usage: Use ひ孫を抱く for holding a great-grandchild and 四人のひ孫 for four great-grandchildren.

2. Common pitfalls and similar expressions

• Difference between ひ孫 and 孫
  • The former is a grandchild's child and three generations below the reference person, whereas the latter is one's child's child and two generations below.