first shrine visit for a newborn
A Shinto custom where a newborn is taken to a shrine for the first time, typically around 30 days after birth, to receive the tutelary deity's blessing.
See also: 宮参り
We went for the baby's first shrine visit when she was one month old.
Compound of 初 (hatsu, 'first') + 宮参り (miyamairi, 'shrine visit').