This is the 6556th most frequent Russian word.
ernie
The word "ernie" does not exist in Russian; it might be a misinterpretation or misspelling.
The word 'Эрни' (Ernie) is used as a proper noun, clearly identifying an individual's name, typical usage in this context.
Эрни решил прогуляться в парке сегодня.
Ernie decided to take a walk in the park today.
Here, 'Эрни' (Ernie) continues as a proper noun denoting a person named Ernie, again in a general statement about their routine.
Эрни часто работает в библиотеке вечером.
Ernie often works in the library in the evening.
Once more, 'Эрни' (Ernie) is referring to the individual named Ernie while describing their activity in a specific circumstance.