Complex sentence: The helmet had an oriental origin, being derived from the Ottoman Turkish'chichak' (Turkish- "çiçak") helmet, and was adopted by the Christian states of Europe in the early 17th century.
Split into simpler sentences: The helmet had an oriental origin, being derived from the Ottoman Turkish'chichak' (Turkish- "çiçak") helmet. It was adopted by the Christian states of Europe in the early 17th century.