母ぼ系けいMeaningsNounNo-adjective1. maternal line; mother's side of the familyKanji used母mother系lineagePitch accentぼけいExamples1母ぼ系けいの祖そ母ぼはその旧きゅう式しきのドレスを着きることに固こ執しつする。My maternal grandmother persists in wearing that old-fashioned dress.