Meaning of the Sanskrit Word: rajarse

  rājarṣe—O great King    Madhya 24.47, Madhya 25.157
  rājarṣe—O saintly King    SB 2.1.9
  rājarṣe—O King (Mahārāja Parīkṣit)    SB 10.8.26

Can't find any compound Sanskrit words containing rajarse.