Meaning of the Sanskrit Word: prajapatin

  prajāpatīn—the Prajāpatis    SB 2.3.2-7, SB 3.20.9
  prajāpatīn—fathers of the living entities    SB 3.7.25
  prajāpatīn—to the great demigods entrusted with increasing the population    SB 7.10.32
  prajāpatīn—the various Prajāpatis, who had given birth to all living entities    SB 8.20.24

Can't find any compound Sanskrit words containing prajapatin.