義ぎ祖そ母ぼMeaningsNoun1. grandmother-in-lawKanji used義justice祖grandparent母motherComposed of義ぎmorality; righteousness; justice; honour (honor); meaning; teachings; doctrine; nonconsanguineous relationship (i.e. of in-laws); prosthesisNoun祖そ母ぼgrandmotherNoun