Jisho

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Godan verb with su ending, Transitive verb
1. to light (a candle, lamp, etc.); to turn on (a light)
Other forms
灯す 【とぼす】点す 【ともす】点す 【とぼす】燈す 【ともす】燈す 【とぼす】
Notes
燈す: Out-dated kanji. 燈す: Out-dated kanji.

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