adjectival noun or quasi-adjective, noun

  1. valid, effective.

noun

Martial arts term.
  1. yuko (judo).

Variations

Pronunciation Kanji Kana Is Common
有効 ゆうこう

Contained Kanji Breakdown

possess, have, exist
ユウ あり あ.る (3rd, N4)
left hand, cliff(厂) variant
month, moon
つき ゲツ ガツ (1st, N5)
merit, efficacy, efficiency
コウ き.く ききめ (5th, N2)
mingle, mixing, association
コウ -か.う まじ.わる (2nd, N3)
kettle lid radical (no. 8)
トウ (Kentei 1)
father
ちち フ (2nd, N5)
eight, eight radical (no. 12)
ハチ や はっ (1st, N5)
mow, cut grass, subdue
ガイ ゲ おさ.める (Kentei 1)
power, strength, strong
リョク ちから リキ (1st, N4)