This article will be concerned with loanwords, that is, words in English that derive from Persian, either directly, or more often, from one or more intermediary languages. Many words of Persian origin have made their way into the English language through different, often circuitous, routes. Some of them, such as "paradise", date to cultural contacts between the Persian people and the ancient Greeks or Romans and through Greek and Latin found their way to English. The Persian language and culture preceded the invasion of Islam by force. This was carried out by the Muslim Rashidun Caliphate from 633 to 656 AD. At that time the Persian empire comprised 44% of the world’s population. Persian as the second important language of Islam has influenced many languages in the Muslim world such as Ara