noun, takes genitive case の, adverb

  1. the old days, the past, former times, a long time ago.

noun

Used as a unit of time.
  1. the past ten years, the past decade.

Variations

Pronunciation Kanji Kana Is Common
むかし

Contained Kanji Breakdown

once upon a time, antiquity, old times
むかし セキ シャク (3rd, N3)
twenty(廿) variant
day, sun, Japan
ひ にっ ニチ (1st, N5)