灯火

1. Origins, structure, and basic meaning

• Structure: 灯火, read とうか, means a lamp or its light.
• Basic usage: It is a literary expression used to describe a light seen in darkness or a small flame flickering in the wind.

2. Common pitfalls and similar expressions

• Describing a light
  • 遠くの家の灯火 refers to the light shining from a distant house.
  • While 照明 broadly covers lighting a space and the equipment used for it, 灯火 is well suited to depicting an individual light.