noun, noun or participle which takes 'suru'
debut; first appearance; first outing
Refers to the first time something or someone appears, performs, or is used in a particular context. Often used for the first event of the year, such as a firefighter's first drill or a new product's launch.
消防署の出初め式が行われた。
The fire department's New Year's first drill ceremony was held.
The new car's debut is scheduled for next month.