noun, noun or participle which takes 'suru', intransitive verb
daily visit to a temple or shrine; daily worship visit
Specifically refers to going to a temple or shrine every day to pray or worship. Often used in religious or traditional contexts.
祖母は毎朝、近くのお寺に日参している。
My grandmother visits the nearby temple every morning to pray.
noun, noun or participle which takes 'suru', intransitive verb
Broader use: going somewhere every day or very often, not limited to religious sites. Can be used for shops, offices, or other places one frequents.
彼はあの喫茶店に日参している。
He goes to that coffee shop every day.