月光

1. Origins, structure, and basic meaning

• Structure: 月光 is read げっこう and means moonlight.
• Basic usage: It is used for light entering through a window to illuminate a floor or lighting a traveler's path at night.

2. Common pitfalls and similar expressions

• Meaning of を頼りに
  • 月光を頼りに means relying on moonlight as an aid. In the forest-path context, the traveler uses that light to see the way forward.