muwatto
That wall of hot, steamy air that hits you when you step outside in midsummer or open an oven. A heavy, suffocating blast of heat and humidity.
💡Stepping off an air-conditioned train in August — 'The air hit me muwatto as I stepped out.'
ドアを開けたら、むわっと熱気が押し寄せた。
When I opened the door, hot air hit me muwatto.
A ___ blast of humid air greeted us as we left the airport.
空港を出た瞬間、○○と湿った熱気が押し寄せた。