This is the 669th most frequent Icelandic word.
eftirfarandi
"Following" or "subsequent."
In this context, the word "eftirfarandi" functions as an adjective describing "setningu" (sentence) and means "the following".
Hann las eftirfarandi setningu upphátt.
He read the following sentence aloud.
Here, "eftirfarandi" is used as an adjective qualifying "leiðbeiningum" (instructions) and translates to "the following".
Þú skalt fylgja eftirfarandi leiðbeiningum.
You should follow the following instructions.
The use of "eftirfarandi" in this sentence specifies that "sögur" (stories) follows the adjective in a descriptive list.