modifier
modifier (modificador)
a word or phrase that describes another word in the sentence or gives more information about it.
Example
Covered in snow, the old car would not start. (Covered in snow and old modify car.)
In Spanish
modifier (modificador) — una palabra o frase que describe otra palabra de la oración o da más información sobre ella.
Covered in snow, the old car would not start. (Covered in snow y old modifican a car.)