Meaning of the Sanskrit Word: atithayah

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

Can't find any compound Sanskrit words containing atithayah.