This is the 2239th most frequent Spanish word.
invierno
Winter.
In this sentence, 'invierno' is used as a noun referring to the season of winter.
El invierno en mi ciudad es muy frío.
Winter in my city is very cold.
Here, 'invierno' indicates a time period within the year characterized by cold weather.
Durante el invierno llevo ropa abrigadora.
During winter, I wear warm clothes.
In this sentence, 'invierno' describes the visual and environmental characteristics associated with the winter season.