lamp

1. Origins, structure, and basic meaning

• Structure: 灯 has 6 strokes and denotes lighting something or the light itself.
• Basic usage: 灯す is read ともす, and 灯り is read あかり.

2. Common pitfalls and similar expressions

• Lighting something and the light one sees
  • ランプを灯しました means lighting a lamp, with を marking what is lit.
  • 小さな灯りがともっていました means that a small light was glowing.
  • 灯り can also refer to light from a phone, as in 携帯電話の灯り.