entries → 公公
TSUMUGU · TOCFL B2 (est.) · 詞
公公 word · TOCFL B2 (est.)
ㄍㄨㄥ · gōnggong
noun — a husband's father, father-in-law; (also) an old man; (historically) a palace eunuch

字源 FORM — what the parts do

公an elder male; public (公家)gōngdoubled as a kinship/address term, like 爸爸、哥哥
公公，公家的公，公家的公。
關 · Related
婆婆pópoa husband's mother — the paired in-law term岳父yuèfùa wife's father — the other father-in-law, from the husband's side