Meaning of the Sanskrit Word: bharatarsabha

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

Can't find any compound Sanskrit words containing bharatarsabha.