noun
Refers to the rough outer covering of plants (bark, husk) or the raw, untanned skin of an animal.
この木の粗皮はとても厚い。
The bark of this tree is very thick.
猟師は鹿の粗皮を剥いだ。
The hunter skinned the deer's untanned pelt.
樹皮 is a more formal or technical term for tree bark, while 粗皮 emphasizes the rough, raw quality.
皮 is the general word for skin, leather, or peel; 粗皮 specifically denotes a coarse, unprocessed outer layer.
Compound of 粗 (rough, coarse) and 皮 (skin, bark). The reading あらかわ combines the kun'yomi of both characters.