Meaning of the Sanskrit Word: yabena

  yabena—will go    Madhya 1.155, Madhya 1.161, Madhya 17.98, Madhya 19.10, Antya 9.84
  yabena—He will go away    Madhya 11.43
  yabena—will return    Antya 6.147

Can't find any compound Sanskrit words containing yabena.