Smart Definition
Etymology
Pronunciation
primerísimo
very first
primero
first
+
-ísimo
superlative suffix
Primerísimo means very first and is composed of primero0 (first0) + -ísimo1 (superlative suffix1), emphasizing it's the absolute first.
adjective
  1. very first
    Absolutely first, very first
    Él es de primerísima calidad como actor. // He is of the very first quality as an actor.