Vocabulary What does 土砂 (どしゃ, dosha) mean? 土砂 (どしゃ, dosha) means sediment; earth and sand. Quick factsReadingどしゃRomajidoshaPart of speechnoun 土砂どしゃdoshasediment; earth and sand1noun sediment; earth and sandKanji in this word土earth, soil砂sand