anarchy comes from Medieval Latin anarchia, from Ancient Greek anarkhia ('absence of a ruler'), from anarkhos ('without a chief'), from an- ('without') + arkhos ('ruler, leader'), from arkhein ('to rule'). Morphologically, the word is transparent as a compound: its parts remain visible in the modern spelling, while the older history of those parts supplies the deeper ancestry. In modern use, the noun sense is "a state of disorder due to the absence of authority or government", which keeps the etymology connected to the word's present dictionary value rather than treating it as a merely historical label. The wider word family includes related English forms such as monarchy, hierarchy and derivatives such as anarchic, anarchism, anarchist, showing how the same base continues to support neighboring English vocabulary. The principal historical forms in the chain include Ancient Greek anarkhia, Ancient Greek an-, Ancient Greek arkhos, which anchor the explanation in named linguistic material.