Meaning of the Sanskrit Word: nasyanti

  naśyanti—vanishes    SB 1.17.10-11
  naśyanti—vanquished    SB 1.19.34
  naśyanti—are vanquished    SB 7.10.8
  naśyanti—are vanquished (death occurs to the aggressor)    SB 10.11.56

Can't find any compound Sanskrit words containing nasyanti.