Meaning of the Sanskrit Word: anustheyam

  anuṣṭheyaṁ—has to be arranged    Madhya 15.269
  anuṣṭheyam—is right to be attempted    SB 3.13.17
  anuṣṭheyam—to be executed    SB 5.8.9

Can't find any compound Sanskrit words containing anustheyam.