This is the 2595th most frequent Spanish word.
cotidiano
Daily; everyday; ordinary.
Here, 'cotidiano' is used as an adjective to describe the routine as something occurring regularly and daily.
La rutina cotidiana puede parecer aburrida.
The daily routine can seem boring.
In this sentence, 'cotidianos' serves as an adjective modifying the noun 'desafíos,' implying common, everyday occurrences.
Admiro su actitud positiva frente a los desafíos cotidianos.
I admire their positive attitude towards everyday challenges.
In this context, 'cotidiano' is used as a noun to refer to regular daily life and its essence.