underworking

/AH1 N D ER0 W ER1 K IH0 NG/
verb
  1. 1

    To require too little work from; to work insufficiently.

  2. 2

    To work or operate in secret or clandestinely.

  3. 3

    To do less work than necessary (on).

    โ€œto underwork a paintingโ€

  4. 4

    To do work for inadequate payment.

  5. 5

    To injure by working secretly; to destroy or overthrow by clandestine measure; to undermine.

  6. 6

    To do similar work for a lesser price than; to undercut.

    โ€œOne mason may underwork another.โ€

noun
  1. 1

    Lower or underlying workings

Source: https://en.wiktionary.org/wiki/underwork, https://en.wiktionary.org/wiki/underworking