| The term tsubo-sen is thought to have derived from "tsubo", a pot (ancient Chinese vessel shaped like a vase, usually used to store alcohol), as the tax was imposed based on "tsubo-su", the number of tsubo used for brewing. |
課税基準を醸造に用いる壷数に応じて定めたことから、この名称が付いたとされている。 |