Meaning of the Sanskrit Word: dronah

  dronah—Dronacarya    Bg 11.26-27, SB 1.7.45
  dronah—Drona    SB 5.19.16, SB 6.6.10-11
  dronah—by the name Drona    SB 10.8.48
  dronah—Drona, the most powerful Vasu    SB 10.8.50

Can't find any compound Sanskrit words containing dronah.