白湯

1. Origins, structure, and basic meaning

• Structure: 白湯 is read as さゆ and is a noun for plain boiled water, often cooled to a comfortable drinking temperature.
• Basic usage: Drinking appears in 白湯を飲む, while cooling appears in 少し冷ました白湯.

2. Common pitfalls and similar expressions

• Plain water
  • It is boiled water without tea leaves or other added ingredients.
• Difference from お湯
  • お湯 is hot water generally, while 白湯 particularly suits plain boiled water prepared for drinking.