Meaning of the Sanskrit Word: atithayah

  atithayah—guests who come without an invitation    SB 8.16.6
  atithayah—uninvited guests    SB 8.16.7
  atithayah—receiving the guests    SB 8.16.12
  atithayah—guests    SB 6.7.27

Can't find any compound Sanskrit words containing atithayah.