Complex sentence: The word "heaven" is used in English translation of the Arabic word سماء ("Samaa'a "), the plural of which is سماوت ("Samaawat ";"Shamaim "), translates as"sky" in Modern Arabic.
Split into simpler sentences: The word "heaven" is used in the English translation of the Arabic word سماء ("Samaa'a "). The plural is سماوت ("Samaawat "), cognate of Hebrew שמים ("Shamaim "), which translates as"sky" in Modern Arabic.