Lamp/light — especially a lamp or light offered for religious purposes (also a general term for a lamp); classical reading 'akashi'.
夜の寺院に灯がともり、静かな雰囲気が漂っていた。
Lights were lit at the temple at night, creating a quiet atmosphere.
法要の際には参列者が灯を供える習慣がある。
At memorial services, attendees have the custom of offering lights.
古い文献では『あかし』と訓んで灯を表すことがある。
In old texts, the character 灯 is sometimes read as 'akashi'.