同どう系けい語ごどうけいごじ字FuriganaMeanings1nouncognate languagelinguistics›Linguistics term for a language that shares a common ancestor with another language.日本にほん語ごと韓かん国こく語ごが同どう系けい語ごであるかどうかは議ぎ論ろんが続つづいて