hindustani

Borrowed from Hindustani ہِنْدُوسْتانی (hindūstānī) / हिंदुस्तानी (hindustānī), from Classical Persian هِنْدُوسْتَانِی (hindūstānī), from هِنْدُو (hindū, “Hindu, Indian”) + ـسْتَان (-stān, “land”) + adjective suffix ـِی (-ī). Equivalent to Hindustan + -i.