celestial-bodyNeptuneCosmosThe remote ice giant and, in Latin speech, a name shared with a sea god. Planet and god should not be merged.Neptune is associated with Spring.In Vitruvius’s Ten Books on Architecture, a spring at Terracina is called the spring of Neptune, which caused the death of those who thoughtlessly drank from it — Neptune names that lethal spring.from Vitruvius; Morris Hicky Morgan (translation) · De Architectura, 1st century BCE; Morgan English 1914associated with · sourced · documentedsourcesDe Architectura · Vitruvius; Morris Hicky Morgan (translation)Vitruvius, The Ten Books on Architecture, trans. Morris Hicky Morgan (1914).