primerizo
novice
primero
first
+
-izo
adjective suffix indicating tendency or quality
Primerizo means novice and can be thought of as someone who is first0 (primero0) with a tendency or quality1 (-izo1) of being new at something.
adjective
- noviceInexperienced or new at somethingEs un conductor primerizo, así que conduce con cuidado. // He's a novice driver, so he drives carefully.