Meaning of the Sanskrit Word: krsnena

  krsnena—by Lord Krsna    SB 1.7.40, SB 7.10.52, Adi 1.72
  krsnena—by Krsna    SB 3.4.35, SB 10.9.19
  krsnena—by Krsna Himself    SB 1.8.46

Can't find any compound Sanskrit words containing krsnena.