猶ゆう子し

noun

nephew treated as a son; child considered as one's own

Refers to a nephew or another child who is raised or regarded as one's own son. The term is somewhat formal and may appear in historical or legal contexts.

• 彼かれは兄あにの子こを猶ゆう子しとして育そだてた。

  He raised his older brother's child as his own son.