The kanji 灯 generally represents "light," "lamp," or "lantern." It conveys the idea of illumination, often associated with a source of light, whether natural or artificial, and the act of lighting something. It can also refer to something that guides or provides direction.

・On-yomi (音読み): トウ (tou) ・Kun-yomi (訓読み): ひ (hi) - used in compounds, especially related to the act of lighting or the light itself, like 灯る (tokoru - to light, to be lit)

⚫︎ 電灯 (dentou) Translation: Electric light/lamp ⚫︎ 灯台 (toutai) Translation: Lighthouse ⚫︎ 灯火 (touka) Translation: Lights; lamps; illumination

The kanji 灯 is a phono-semantic compound (形声文字). It is composed of two parts: the radical 火 (hi/ka - fire) and the phonetic component 丁 (tei/chou - often associated with the shape of a nail or peg). The fire radical 火 (hi/ka) provides the meaning (light/fire), and the phonetic component 丁 (tei/chou) provides the sound of the kanji. The combination suggests something that is emitting light like a fire.