Meaning of the Sanskrit Word: vagbhih

  vāgbhiḥ—by sound vibrations    SB 5.13.5
  vāgbhiḥ—by the words    SB 5.24.30
  vāgbhiḥ—by transcendental words    SB 7.10.25
  vāgbhiḥ—by words or by cursing    SB 10.10.40
  vāgbhiḥ—by words    Madhya 23.23

Can't find any compound Sanskrit words containing vagbhih.