The term 'Language Iranian' can be summarized by the crossword solution 'Farsi', which is a 5-letter word. Farsi is the official language of Iran, and is also spoken in Afghanistan, Tajikistan, and other countries in the region. It is a member of the Indo-Iranian branch of the Indo-European language family. Farsi is written in the Arabic script, and has been influenced by Arabic, Turkish, and other languages.