祖そ考こう

noun

deceased grandfather; deceased father and grandfather

Rare classical term referring specifically to one's late grandfather, or collectively to one's late father and grandfather. Not used in modern conversation.

• 古こ文ぶん書しょでは「祖そ考こう」が亡なき祖そ父ふを指さすことがある。

  In old documents, 祖考 can refer to one's deceased grandfather.

noun

distant ancestor; forefather

Rare classical term for a remote ancestor or forefather. Found mainly in historical or literary texts.

• 「祖そ考こう」は遠とおい先せん祖ぞを表あらわす古ふるい言こと葉ばだ。

  祖考 is an old word that means a distant ancestor.