義ぎ祖そ父ふMeaningsNoun1. grandfather-in-lawKanji used義justice祖grandparent父fatherComposed of義ぎmorality; righteousness; justice; honour (honor); meaning; teachings; doctrine; nonconsanguineous relationship (i.e. of in-laws); prosthesisNoun祖そ父ふgrandfatherNoun