Refers to the remaining base of a cut tree or plant. Often used in forestry or gardening contexts.
After cutting the tree, the stump remains.
counter for trees
Used as a suffix attached to numbers to count trees or plants. Common in gardening, forestry, and agriculture.
I planted three cherry trees in the garden.
The kanji 株 originally meant 'stump' or 'root', and its use as a counter for trees derives from counting the stumps or bases of plants.