'taru' adjective, adverb taking the と particle

  1. fast asleep, dead to the world.

Variations

Pronunciation Kanji Kana Is Common
昏々 こんこん
昏昏 こんこん

Contained Kanji Breakdown

dark, evening, dusk
コン くら.い くれ (Kentei Pre-1)
family name, surname, clan
シ うじ (4th, N1)
day, sun, Japan
ひ にっ ニチ (1st, N5)
repeated kanji symbol