Complex sentence: The English word "natron" is a French cognate derived from the Spanish "natrón" through Greek νίτρον "nitron", which derived from the Ancient Egyptian word "nṯry"'natron'.
Split into simpler sentences: The English word "natron" is a French cognate derived from the Spanish "natrón" through Greek νίτρον "nitron". This derives from the Ancient Egyptian word "nṯry"'natron'.