体温
たいおん · taion · JLPT N3 · noun
temperature
🌡️ 体温 = body (体) + warmth (温): the warmth of your body
体 (tai) means body, as in 体重 taijū, body weight. 温 (on) means warm, the same on as in 温泉 onsen, hot spring. So taion is your body's warmth, the number a thermometer shows.