いものこ

芋 の 子

  1. noun (common) (futsuumeishi)

    minor taro root, taro cormlet, taro cormel
    includes both 子芋 and 孫芋

  2. noun (common) (futsuumeishi)

    (pool, etc.) being jam-packed with people
    as 芋の子を洗うよう, etc.
    colloquial