Ekaehtoja
Ekaehtoja is a term that appears in ancient Greek philosophical texts, most notably in the writings of Aristotle. It translates roughly to "the first mover" or "the prime mover." The concept of Ekaehtoja is central to Aristotle's cosmology and his explanation for the existence and motion of the universe.
Aristotle argued that for anything to move, there must be something that initiates that motion. He proposed
Ekaehtoja is described as pure actuality, devoid of any potentiality. It is eternal, unchanging, and immaterial.