εἶδος
Alt. εἶδος, εος,
Etym. *εἴδω A
I. "that which is seen, form, shape, figure", Lat. species, forma, Hom.; absol. in acc., εἶδος ἄριστος, etc.
II. "a form, sort, particular kind or nature", Hdt., etc.
2. "a particular state" of things or "course" of action, Thuc.
III. "a class, kind, sort", whether "genus or species", Plat., etc.