乙おと子ご

noun

last child; youngest child

Refers to the youngest child in a family. The term is somewhat old-fashioned and may carry a nuance of the child being born late in the parents' lives.

• 彼かれは乙おと子ごで、兄きょう弟だいの中なかで一いち番ばん甘あまやかされて育そだった。

  He was the last child and grew up the most spoiled among his siblings.