This is the 93rd most frequent Icelandic word.
árum
The Icelandic word "árum" is the dative plural form of "ár," meaning "years."
The word 'árum' is the dative plural form of 'ár' (years), used here to indicate a time frame in which the action did not occur.
Við höfum ekki sést í mörgum árum.
We haven't seen each other in many years.
'Árum' is used in its dative plural form to specify the point in time relative to an event occurring in the past.
Saga þjóðarinnar teygir sig aftur í margar aldir, en þessi nýjung hófst fyrir fáum árum.
The history of the nation stretches back centuries, but this innovation started a few years ago.
'Árum' functions as an adverbial dative plural noun to express a chronological reference to a later period in time.