also: ぶなざい
noun
beechwood; beech lumber
Refers to the wood of the beech tree, used as a material for furniture, flooring, tools, etc.
この椅子はブナ材でできている。
This chair is made of beechwood.
ブナ材は家具によく使われる。
Beechwood is often used for furniture.
ブナ is the beech tree itself, while ブナ材 specifically refers to the wood or lumber from that tree.
Compound of ブナ (beech tree) and 材 (material, lumber). The tree name ブナ is of native Japanese origin, but the exact derivation is uncertain.