一ひと汗あせ

noun

a bout of work; a spell of exertion; working up a sweat

Refers to doing a task or physical activity that makes one sweat, often used in the phrase 一汗かく (to work up a sweat). The second gloss about riding a horse is a specific historical example of such exertion.

• 朝あさのうちに一ひと汗あせかいておこう。

  Let's work up a sweat this morning.

• 庭にわ仕し事ごとで一ひと汗あせかいた。

  I worked up a sweat doing yard work.