This is the 14149th most frequent Spanish word.
tornaron
"They turned" or "They became."
The word 'tornaron' is used here in a reflexive construction to describe a change in aspect or color of the skies.
Los cielos se tornaron grises antes de la tormenta.
The skies turned gray before the storm.
In this sentence, 'tornaron' is employed in an active voice to express the transformation of a situation, achieved through an indirect action.
Sus palabras tiernas tornaron mi día difícil en uno más llevadero.
Her tender words turned my difficult day into a more bearable one.
Here, 'tornaron' illustrates a causative event where the discussions influenced the atmosphere to become uncomfortable.