Meaning of the Sanskrit Word: asvibhyam

  aśvibhyām—by the Aśvinī-kumāras    SB 6.9.54, SB 6.10.17-18
  aśvibhyām—to the two Aśvinī-kumāras    SB 6.9.52
  aśvibhyām—helped by the Aśvinī-kumāras    SB 9.3.14

Can't find any compound Sanskrit words containing asvibhyam.