Indeterminate, limitless. But perhaps much more earthly than that. The ancient Greek word àpeiron is commonly translated as a principle pertinent to cosmology. In L’infinito: un equivoco millenario, the Infinite: a millenarian misunderstanding, the Italian philologist and linguist Giovanni Semerano (1913-2005) instead brings the term back to Semitic-Akkadian origins, corresponding to the meaning of “earth”. Indeed, “earthy sea“. This makes the terms intriguing for an alchemist.