足たし湯ゆ

noun, noun or participle which takes 'suru'

adding hot water to a bath

Refers to adding hot water to a bathtub, typically to adjust temperature or water level. Often contrasted with 差し湯 (さしゆ), which can mean adding cold water or replacing water.

See also: 差し湯 (さしゆ)

• お風ふ呂ろがぬるくなったので、足たし湯ゆをした。

  The bath had cooled down, so I added some hot water.

• 足たし湯ゆをしながら、ちょうどいい温おん度どに調ちょう整せいする。

  I adjust the temperature to just right while adding hot water.