noun
sake warmed to body temperature
Refers to sake heated to approximately 35–37°C, a gentle warmth often preferred for its smooth, mild taste. Common in izakaya and traditional sake service.
寒い夜は人肌燗の日本酒が美味しい。
On a cold night, sake warmed to body temperature is delicious.
お燗は熱すぎず、人肌燗くらいが飲みやすい。
Warmed sake is easiest to drink when it's not too hot, around body temperature.
Lukewarm sake (around 40°C), slightly warmer than 人肌燗.
Compound of 人肌 (ひとはだ, 'human skin/body temperature') and 燗 (かん, 'warmed sake'). The term directly describes the temperature at which the sake is served.