noun, noun or participle which takes 'suru', intransitive verb
votive lantern
A lantern offered at a shrine or temple, often with a prayer or in memory of someone. Can also refer to the act of offering such a lantern.
神社に献灯する。
I offer a votive lantern at the shrine.
境内には多くの献灯が並んでいる。
Many votive lanterns are lined up in the shrine precincts.
Compound of 献 (offering) and 灯 (light/lantern). The exact historical derivation is uncertain, but the word is conventionally associated with the practice of dedicating lanterns at religious sites.