初
  初心
  産
  生
  うぶ
  adjectival nouns or quasi-adjectives (keiyodoshi)
  noun (common) (futsuumeishi)
  nouns which may take the genitive case particle `no'
  [esp. 初, 初心]
  innocent
  naive
  unsophisticated
  inexperienced
  green
  wet behind the ears
  noun, used as a prefix
  [産, 生]
  birth-
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