Full Idea
Eidos: form, idea
Gist of Idea
Eidos: form, idea
Source
PG (Db (lexicon) [c.1001 BCE], 26)
A Reaction
In Plato it is the word best translated as 'Form' (Theory of...); in Aritotle's 'Categories' it designates the species, and in 'Metaphysics' it ends up naming the structural form of the species (and hence the essence) [Wedin p.120]