Meaning of the Sanskrit Word: etarhi

  etarhi—at this moment    SB 4.26.15
  etarhi—thus certainly    SB 3.16.36
  etarhi—therefore    SB 2.1.14
  etarhi—at the present    SB 1.17.43, SB 1.17.44, SB 1.17.43-44

Can't find any compound Sanskrit words containing etarhi.