estrenar
debut
estrella
star
+
-ar
verb suffix
Estrenar means to debut or to use for the first time. It can be thought of as estrella0 (star0) + -ar1 (verb suffix1), like a star making its debut.
verb
- debutTo use or wear something for the first timeVoy a estrenar mi vestido nuevo en la fiesta. // I'm going to debut my new dress at the party.