This is the 11601st most frequent Russian word.
ежедневных
"Ежедневных" means "daily."
The word 'ежедневных' here is an adjective in the genitive plural, modifying 'задач' (tasks), signifying tasks that are performed daily.
Я устал от ежедневных задач на работе.
I am tired of daily tasks at work.
The word 'ежедневных' functions as an adjective in the genitive plural form, describing 'прогулок' (walks) as occurring every day.
Ежедневных прогулок мне стало не хватать.
I started missing my daily walks.
The term 'ежедневных' in this sentence is an adjective in the genitive plural form, describing 'звонках' (calls) as being routine and occurring on a daily basis.