同どう根こんどうこんFreq.FrequencyTop 100,000Meanings1nounsame root; same originUsed for words, languages, or concepts that share a common etymological or historical root.英えい語ごとドイツ語ごは同どう根こんの言げん語ごだ。English and German are languages of the same origin.この二ふたつの単たん語ごは同どう根こんである。These two words share the same root.