name-giving ceremony
赤ちゃんのお七夜に親戚が集まった。
Relatives gathered for the baby's name-giving ceremony.
お七夜では命名書を飾るのが習わしだ。
It is customary to display a name-writing card at the naming ceremony.
家族だけの小さなお七夜を行った。
We held a small name-giving ceremony with just the family.