"an unstressed prefix" in Spanish

un prefijo sin estrés

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Literal Breakdown

Recording	English	Spanish	Learn
Recording	Englisha (masculine)	Spanishun	Learn Learn
Recording	Englishprefix	Spanishprefijo	Learn Learn
Recording	Englishwithout	Spanishsin	Learn Learn
Recording	Englishstress	Spanishestrés	Learn Learn

Summary

The Spanish translation for “an unstressed prefix” is un prefijo sin estrés. The Spanish, un prefijo sin estrés, can be broken down into 4 parts:"a (masculine)" (un), "prefix" (prefijo), "without" (sin) and "stress" (estrés).