Meaning of the Sanskrit Word: vibhavasum

  vibhavasum—the fire-god    SB 2.3.2, SB 2.3.3, SB 2.3.4, SB 2.3.5, SB 2.3.6, SB 2.3.7, SB 2.3.2-7

Can't find any compound Sanskrit words containing vibhavasum.