One leaf fell lightly to the ground.
Koichi used to be a big shot, but his reputation hit rock bottom after he lost a battle against a wild boar.
And yet, Koichi himself remains charmingly down-to-earth.
The kanji and the word are exactly the same. That means they share meanings as well.
Although this is a single kanji all alone, it uses the on'yomi reading. This is the reading you learned with the kanji, you lucky duck.