Archaic term for a woman's father-in-law. Not used in modern Japanese; the common modern term is 義父 (ぎふ) or 舅 (しゅうと).
In old documents, there are examples of a bride calling her husband's father '阿翁'.
Archaic term for grandfather. Modern Japanese uses 祖父 (そふ) or おじいさん.
'阿翁' was used in the past as a word meaning grandfather.