hardwood
意味
- (カシ・マホガニーなど材質の堅い)堅木(かたぎ)
例文
I prefer hardwood floors to carpet.
私はカーペットよりも硬い木の床が好きです。
In woodworking, we classify wood as hardwood, softwood or exotic wood.
木工芸では、木を、硬木、軟木と、唐木に分類します。
語源
英語の原文（Wiktionary）
From hard + wood. The term refers to the seed coat of the tree's seeds; it does not refer to the degree of hardness of the tree's wood, but it seems to do so and is usually assumed to do so by speakers not well informed about trees and timber.