Meaning of the Sanskrit Word: visvamitrah

  viśvāmitraḥ—the great sage Viśvāmitra    SB 9.7.24, SB 9.16.35
  viśvāmitraḥ—Viśvāmitra    SB 8.13.5
  viśvāmitraḥ—the great sage and mystic Viśvāmitra    SB 9.7.22

Can't find any compound Sanskrit words containing visvamitrah.