Kalmar "abies" kalma ce ta Latin da ke nufin jinsin itatuwan coniferous a cikin dangin Pinaceae. Sunan gama gari na bishiyoyi a cikin wannan nau'in shine fir, kuma ana samun su a Arewacin Hemisphere, musamman a Arewacin Amurka da Turai. Wasu nau'ikan abies, irin su fir na balsam (Abies balsamea) da fir mai daraja (Abies procera), suna da mahimmanci a cikin masana'antar katako kuma ana amfani da su azaman bishiyar Kirsimeti. Hakanan ana iya amfani da kalmar "abies" don nufin kowane bishiyar ɗaya daga cikin dangin Abies.