This is a personal project by @dellsystem. I built this to help me retain information from the books I'm reading.
Source code on GitHub (MIT license).
meaning "form" "essence", "type" or "species" (developed in Plato's theory of forms?)
If the prose-writer is too eager to fondle his words, the eidos of 'prose' is shattered and we fall into highfalutin nonsense.