一いち駄だ

noun

horse load; one pack-horse load

Historical unit for a load carried by one pack horse, typically around 36 kan (approx. 135 kg). Used in pre-modern contexts.

• 江え戸ど時じ代だい、一いち駄だの米こめは約やく三さん十じゅう六ろっ貫かんだった。

  In the Edo period, one horse load of rice was about 36 kan.