noun
heat exhaustion; heatstroke; suffering from the heat
Refers to illness or discomfort caused by summer heat; often used in traditional or slightly formal contexts. Modern medical terms like 熱中症 (ねっちゅうしょう) are more common in clinical settings.
暑気あたりで頭が痛い。
I have a headache from the heat.
祖母は毎年夏になると暑気あたりを起こす。
My grandmother gets heat exhaustion every summer.
Compound of 暑気 (しょき, 'summer heat') and あたり (連用形 of 当たる, 'to be affected by'). The word literally means 'being struck by the heat'.