Meaning of the Sanskrit Word: sapadi

  sapadi—immediately    SB 5.8.22, SB 7.9.6, SB 10.6.34, SB 10.13.59
  sapadi—on the battlefield    SB 1.9.35
  sapadi—quickly    SB 2.7.24
  sapadi—that instant    SB 5.25.11
  sapadi—at once    SB 10.13.57

Can't find any compound Sanskrit words containing sapadi.