Complex sentence: Formerly, it was used in reference to Ahura Mazda (the god of Zoroastrianism) and today for God in Islam by only the Iranian, Kurdish and Afghan speakers, and as a loanword in Bengali, Urdu, Sindhi, Hindi and several South Asian languages.
Split into simpler sentences: Formerly, it was used in reference to Ahura Mazda (the god of Zoroastrianism). Today, it is used for God in Islam by only speakers of Iranian, Kurdish and Afghan languages and as a loanword in Bengali, Urdu, Sindhi, Hindi and several South Asian languages.