Chinese land measure, fields
畒 centers on a traditional Chinese unit of land area, closely tied to agricultural fields. The meaning extends naturally from the measured plot to the fields themselves.
畒 is a variant form of 畝, combining the field-related component 亩 with 人 (person), possibly suggesting a person working or measuring a field. The exact historical development is uncertain.
The left side 亩 looks like a field with a measuring line on top, and the right side 人 is a person. Picture a person standing beside a measured field plot.
For ボウ, imagine a farmer bowing (ボウ) to the measured field before planting: bow -> ボウ, and the person 人 stands beside the field 亩.