noun
mochi-stepping ceremony
A Japanese tradition where a one-year-old child steps on a large mochi (rice cake) to wish for a long, healthy life. Often part of the first birthday celebration.
一歳の誕生日に餅踏みをしました。
We did the mochi-stepping ceremony on his first birthday.
Compound of 餅 (mochi, rice cake) and 踏み (stepping), from the verb 踏む (to step on).