Ottoman Turkish , or the Ottoman language ( ) (also known as or , "Turkish"), is a type of Turkish language that was used in the Ottoman Empire between the 13th and 20th centuries. It was heavily influenced by Arabic and Persian. It was written in the Arabic and Persian alphabets. When the Ottoman Empire was at its most powerful, Arabic and Persian words made up to 88% of its vocabulary. Words of Arabic origins heavily outnumbered native Turkish words.