Meaning of the Sanskrit Word: bharatarsabha

  bharatarñabha—O chief amongst the descendants of Bharata    Bg 3.41, Bg 14.12
  bharatarñabha—O lord of the Bhäratas.    Bg 7.11
  bharatarñabha—O great one amongst the descendants of Bharata.    Bg 7.16
  bharatarñabha—O best of the Bhäratas.    Bg 8.23
  bharatarñabha—O chief of the Bhäratas.    Bg 13.27
  bharatarñabha—O best amongst the Bhäratas    Bg 18.36-37

Can't find any compound Sanskrit words containing bharatarsabha.