穆穆
  穆々
  ぼくぼく
  `taru' adjective
  adverb taking the `to' particle
  archaism
  peaceful and lovely
  humble and dignified
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  ぼくぼく
  adverb (fukushi)
  adverb taking the `to' particle
  noun or participle which takes the aux. verb suru
  archaism
  (of soil, etc.) soft, dry and crumbly
  sound of quiet walking
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