<prompt> Translate the following text to SwahiliOriginally named many centuries ago because its islands formed a circle or cyclos around the island of Delos one of the most important sites in the ancient world the Cyclades was first composed of a dozen islands.  <response>: Kisiwa hicho kilipewa jina hilo karne nyingi zilizopita kwa sababu visiwa vyake vilikuwa na umbo la mviringo au cyclos kuzunguka kisiwa cha Delos, mojawapo ya maeneo muhimu zaidi katika ulimwengu wa kale. 