This is the 426th most frequent Latvian word.
ilgāk
"Ilgāk" means "longer" in English.
Here, "ilgāk" is used as an adverb to indicate spending more time than usual in the workplace.
Es gribu palikt ilgāk darbā, lai pabeigtu projektu.
I want to stay longer at work to finish the project.
In this sentence, "ilgāk" acts as an adverb asking about extending the duration of a visit or activity.
Vai vari palikt ilgāk uz vakariņām?
Can you stay longer for dinner?
Here, "ilgāk" compares the time spent being interested in the current book versus the previous one.