太常公[ tài cháng gōng ]

⒈ 指归有光祖母的祖父夏昶，他在宣德年间曾任太常寺卿。例吾祖太常公。——明·归有光《项脊轩志》英paternal grandfather of Gui Youguang' grand inother who hold an office Xuande times;