This is the 283rd most frequent Icelandic word.
krónur
"Icelandic currency"
The word "krónur" is used as the nominative plural form of the Icelandic currency, representing an amount.
Ég keypti þessa bók fyrir þúsund krónur.
I bought this book for a thousand krónur.
Here, "krónur" appears as the noun indicating the Icelandic currency in its plural accusative form.
Hún gaf mér fimm krónur sem gjöf.
She gave me five krónur as a gift.
In this context, "krónur" is in the genitive plural, denoting the quantity of coins being referred to.