Meaning of the Sanskrit Word: prajapatyam

  prajapatyam—to execute the vow for one year    SB 3.12.42
  prajapatyam—of the great Prajapati    SB 3.15.1
  prajapatyam—Prajapatya sacrifice    SB 1.15.39

Can't find any compound Sanskrit words containing prajapatyam.