Peak
Mountain Pass, Ridge
noun, suffix
The kanji and the word are exactly the same. That means they share meanings as well.
とうげ
You climb the peak and see adorable little Tokyo geckos (とうげ) climbing all over the place. They're climbing with you now!
この峠で転ぶと、三年だけしか生きられないという言い伝えがあります。
Legends says, if you fall off this peak you’ll only have three years left to live.