ὕλη
Alt. ὕ_λη, ἡ,
I. Lat. sylva, a wood, forest, woodland, Hom., Hdt., etc.; τὰ δένδρα καὶ ὕλη fruit-trees and "forest-trees", Thuc.: "copse, brushwood", opp. to timber-trees, Xen.
II. "wood cut down, firewood, fuel", Hom., etc.
III. like Lat. materia, stuff of which a thing is made, "the raw material, wood, timber", Od., Hdt.
2. in Philosophy, "matter", Arist.
3. "subject matter", id=Arist.