半はん歩ぶMeanings1noununit of land area (approx. 595 m²)archaicArchaic unit of land area, originally about 595.044 square meters. Not used in modern Japanese; encountered only in historical texts.江え戸ど時じ代だいの文もん書じょには「半はん歩ぶ」という土と地ちの単たん位いが記しるされている。Documents from the Edo period record a land unit called 'hanbu'.