JMdict: 2433620

爪の垢 【つめのあか】

  1. [exp,n] dirt under one's fingernails
  2. [exp,n] shred (of decency, etc.); scrap; bit; smidgen
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
爪 Claw, Nail, Talon ソウ つめ, つま-
垢 Dirt, Grime, Earwax コウ, ク あか, はじ