お湯（おゆ、oyu）
- hot water

The Japanese word お湯 (pronounced おゆ) means "hot water". It refers to water that has been heated to a specific temperature, often for practical purposes like bathing, drinking, or cooking. The "お" at the beginning is an honorific prefix, indicating politeness.

⚫︎お湯を沸かす。 Translation: I boil the hot water. ⚫︎熱い《お湯でシャワーを浴びる。》 Translation: I take a shower with hot water. ⚫︎《お湯をコップに入れてください。》 Translation: Please put the hot water in a cup.

⚫︎お湯 is used in everyday conversation to describe hot water for various purposes. ⚫︎ It can be used when talking about taking a bath, making tea, or cooking food. ⚫︎ It is a common and versatile word.

⚫︎ The word is typically written in hiragana as おゆ. ⚫︎ It can also be written in kanji as お湯. The kanji 湯 itself means "hot water" or "bath". The "お" is an honorific prefix, making the word polite.

⚫︎ 湯 (ゆ): This is the kanji form of お湯 and means "hot water" or "bath." It's less polite than お湯 when used alone. ⚫︎ 熱湯 (ねっとう): This means "boiling water" or "very hot water." ⚫︎ ぬるま湯 (ぬるまゆ): This means "lukewarm water."

⚫︎ 水 (みず): This means "water" or "cold water" ⚫︎ 冷水 (れいすい): This means "cold water." ⚫︎ 氷水 (こおりみず): This means "ice water."

熱い《お湯でカップラーメンを作りました。》 ・Translation: I made cup ramen with hot water. ・Explanation: This sentence describes using hot water to prepare instant noodles.

お風呂の《お湯が熱すぎます。》 ・Translation: The hot water in the bath is too hot. ・Explanation: This sentence discusses the temperature of the bathwater.

The word 湯 (yu) has a long history and has been used to describe hot water. The prefix お (o) is an honorific prefix, commonly used in Japanese to show respect or politeness. The combination, お湯, is thus a more polite version of hot water.