阿公 āgōng grandfather Definitions Defs Origin Strokes Stroke Words Sentences Sents āgōng grandfather · old man 阿 ā interjection [prefix] Used before monosyllabic names, family names, birth-order numbers, or kinship terms to express familiarity or intimacy.公 gōng noun sir respectful form of address for an elderly man or a man of high social statusāgōng father-in-law 阿 ā interjection [prefix] Used before monosyllabic names, family names, birth-order numbers, or kinship terms to express familiarity or intimacy.公 gōng noun father-in-law (bound form) a woman's father-in-law (husband's father)