木の葉

1. Origins, structure, and basic meaning

• Structure: 木の葉 is read as このは and is a noun for a leaf growing on or fallen from a tree.
• Basic usage: Leaves rolling along a road in the autumn wind appear in 木の葉が道を転がる, while a rain-soaked leaf appears in 雨に濡れた木の葉.

2. Common pitfalls and similar expressions

• Specifically a tree leaf
  • It can identify one leaf or collectively describe leaves falling or being blown about.
• Difference from 葉
  • Unlike the broad word for a plant leaf, this expression explicitly identifies the leaf as coming from a tree.