Meaning of the Sanskrit Word: parthah

  parthah—Maharaja Yudhisthira.    SB 3.1.20, SB 7.15.79
  parthah—Arjuna    Bg 1.26
  parthah—the son of Prtha    Bg 18.78
  parthah—Sri Arjuna    SB 1.7.40
  parthah—the sons of Prtha    SB 1.10.11-12

Can't find any compound Sanskrit words containing parthah.