þessar

þessar

"Þessar" means "these" (feminine plural).

In this sentence, "þessar" is used as a demonstrative pronoun in the accusative case plural form to refer to the books.

Ég tók þessar bækur af borðinu.

I took these books off the table.

Here, "þessar" is again a demonstrative pronoun in the plural form, modifying the noun "movies".

Ertu búinn að sjá þessar bíómyndir?

Have you seen these movies?

In this example, "þessar" functions as an identifying modifier providing specific identification of the subjects.

Það eru þessar stelpur sem skemmtu sér vel.

It is these girls who had a good time.