水みな上かみみなかみじ字FuriganaMeanings1nounheadwaters; source of a riverRefers to the upper reaches or origin of a river. Often used in geographical or poetic contexts.その川かわの水みな上かみは国こく立りつ公こう園えんの中なかにある。The headwaters of that river are in a national park.水みな上かみから下か流りゅうまで、水すい質しつを調ちょう査さした。We surveyed the water quality from the source to the downstream area.