Meaning of the Sanskrit Word: paraspara

  paraspara—mutually    Adi 4.127, Adi 4.193
  paraspara—mutual.    Madhya 8.244
  paraspara—of one another    SB 5.13.17
  paraspara—against each other    Adi 4.251
  paraspara—reciprocal    Adi 4.193

Can't find any compound Sanskrit words containing paraspara.