同どう父ふ

noun

same father

Used in contexts of family relationships, often contrasted with 異父 (different father).

See also: 異父

• 彼かれらは同どう父ふの兄きょう弟だいです。

  They are brothers with the same father.

• 同どう父ふ異い母ぼの姉し妹まいがいる。

  I have a half-sister (same father, different mother).