Meaning of the Sanskrit Word: arcirbhih

  arcirbhiḥ—by lamps    SB 4.21.2
  arcirbhiḥ—by the effulgence    SB 8.10.13-15
  arcirbhiḥ—with many flames    SB 8.15.17

Can't find any compound Sanskrit words containing arcirbhih.