Meaning of the Sanskrit Word: athava

  athava—or    Bg 6.42, Bg 10.42, Bg 11.41, Bg 11.42, Bg 11.41-42, SB 4.12.49, SB 4.12.50, SB 4.12.49-50, SB 4.18.3, SB 4.23.33, SB 5.26.4, SB 6.2.18, Adi 2.20, Madhya 19.199-200 (and more...)
  athava—otherwise    SB 1.16.6, Adi 5.127
  athava—alternatively    SB 1.17.23
  athava—or else    Adi 3.54
  athava—either    SB 7.12.23
  athava—or even    Madhya 15.170

Can't find any compound Sanskrit words containing athava.