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.
distant ancestor; forefather
Rare classical term for a remote ancestor or forefather. Found mainly in historical or literary texts.
In old documents, 祖考 can refer to one's deceased grandfather.
祖考 is an old word that means a distant ancestor.
Composed of 祖 (ancestor) and 考 (deceased father). The exact historical derivation is uncertain, but the compound is a classical Chinese-derived term for deceased forebears.