por los siglos de los siglos

Spanish

Etymology

Literally, “through the ages of ages" or "over the centuries of centuries”.

Adverb

por los siglos de los siglos

1. (idiomatic) eternally; forever and ever

Further reading

• “en, o por, los siglos de los siglos”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 2024 December 10