溽じょく暑しょ

noun which may take the genitive case particle 'no'

sultry; muggy; hot and humid

Describes oppressive, sticky summer heat. Literary and somewhat old-fashioned; in modern speech 蒸し暑い is far more common.

See also: 蒸し暑い

• 溽じょく暑しょの候こう、いかがお過すごしでしょうか。

  How are you faring in this sultry season?

noun

6th month of the lunar calendar

Refers to the sixth month of the traditional lunar calendar, roughly corresponding to the height of summer. Rare and mainly encountered in classical or poetic contexts.

• 旧きゅう暦れきの六ろく月がつは溽じょく暑しょとも呼よばれる。

  The sixth month of the lunar calendar is also called 溽暑.