What is the meaning of Eyrir?

A subdivision of currency, equal to one hundredth of an Icelandic króna

a subdivision of currency, one hundredth of an Icelandic króna, Swedish krona or Danish or Norwegian krone

an ounce (usually of silver); equivalent to an eighth of a mark (mǫrk) or sixty pennies (penningar)

money

Source: wiktionary.org