an Iranian language spoken in Turkey and Iran and Iraq and Syria and Russia
Family of Indo-Iranian languages of Kurdistan (in the Mesopotamia region, from the Zagros of mid-western Iran to the eastern extension of the chain of the Taurus Mountains).
Of, from, or pertaining to Kurdistan, the Kurdish people or the Kurdish language family.
The word comes from the name of the Kurdish people plus the suffix -ish, which is used to form adjectives. It essentially means "of or relating to the Kurds."