Meaning of the Sanskrit Word: hayagrivah

  hayagrivah—Hayagriva    SB 6.6.29-31, SB 6.10.19-22, SB 8.10.19-24
  hayagrivah—the great demon named Hayagriva    SB 8.24.8
  hayagrivah—Lord Hayagriva    Madhya 20.242

Can't find any compound Sanskrit words containing hayagrivah.