Ad 4. species: εἶδος, “look”; this leads back to notio. If I am acquainted with the matter, I know how it looks, how it appears as such among others. [HEIDEGGER  , GA18:19]

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MacKenna   traduz «natureza» ou «espécie» ou «substância» por «Kind»:

There must, then, be some Undetermination-Absolute, some Absolute Formlessness; all the qualities cited as characterizing the Nature of Evil must be summed under an Absolute Evil; and every evil thing outside of this must either contain this Absolute by saturation or have taken the character of evil and become a cause of evil by consecration to this Absolute.

What will this be? That Kind whose place is below all the patterns, forms, shapes, measurements and limits, that which has no trace of good by any title of its own, but [at best] takes order and grace from some Principle outside itself, a mere image as regards Absolute-Being but the Authentic Essence of Evil — in so far as Evil can have Authentic Being. In such a Kind, Reason recognizes the Primal Evil, Evil Absolute. Enéada I.8.3

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LÉXICO: species