Meaning of the Sanskrit Word: sapatnan

  sapatnan—their rivals    SB 8.10.19, SB 8.10.20, SB 8.10.21, SB 8.10.22, SB 8.10.23, SB 8.10.24, SB 8.10.19-24
  sapatnan—our rivals    SB 6.7.32
  sapatnan—adversaries    SB 5.1.18
  sapatnan—enemies.    Bg 11.34

Can't find any compound Sanskrit words containing sapatnan.