From earlier *čillis < *čildis < *ǰildis < *ǰildiz, from Proto-Turkic *yïldïŕ (“root”). Cognate with Old Uyghur 𐽶𐽶𐾁𐾀𐽶𐽴 (yïltïz) and Uzbek ildiz.
силис • (silis)