三十日蕎麦 みそかそば Also written 晦日蕎麦, 晦日そば Meanings Noun soba eaten at the end of the month (esp. at the end of the year) Kanji 三 three. Read as み. 十 ten 日 day 蕎 buckwheat. Read as そば. 麦 wheat Jinuma: Japanese Dictionary · Word lists