Meaning of the Sanskrit Word: etena

  etena—with this    SB 4.1.56, SB 6.19.21, Adi 2.20, Madhya 20.163, Madhya 20.376
  etena—by this    Bg 3.39, SB 3.9.40, SB 4.4.22, SB 5.20.42
  etena—by this (chanting)    SB 6.2.8
  etena—by this estimation    SB 5.21.2
  etena—by this kind    Bg 10.42

Can't find any compound Sanskrit words containing etena.