noun
acreage; land area
Refers to the area of land, especially agricultural land, measured in traditional units (tan). Used in historical and agricultural contexts.
この村の反別は約五十町歩です。
The acreage of this village is about 50 chōbu.
noun
marking off fields in tan units
The act of surveying or dividing land into units of tan (approx. 991.7 m²). Historical term related to land taxation and cadastral surveys.
江戸時代には、年貢を決めるために反別が行われた。
In the Edo period, land was marked off in tan units to determine the annual tribute.
Compound of 反 (tan, a unit of area) and 別 (classification, distinction). The spelling 段別 uses the variant kanji 段 for the same unit.