エイドス

noun

form (Aristotelian concept)

In Aristotelian philosophy, the essential form or nature that makes a thing what it is, as opposed to matter. Contrasts with Platonic idea.

from Ancient Greek eidos

See also: 形相

• アリストテレスは、事じ物ぶつの本ほん質しつをエイドスと呼よんだ。

  Aristotle called the essence of things eidos.

noun

idea (Platonic concept)

In Platonism, the eternal, perfect Form or Idea of which material things are imperfect copies. Often used alongside イデア.

See also: イデア

• プラトンの哲てつ学がくでは、エイドスは永えい遠えん不ふ変へんの実じつ在ざいである。

  In Plato's philosophy, eidos is an eternal and unchanging reality.