Örr

As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):

örr Old Icelandic word can mean:

örr

(acc. örvan), a.

örr

1) swift, ready; neut., ört, fast; ísinn rak svá ört, at, the ice drifted so fast, that;

örr

2) liberal, open-handed (allra manna örvastr); neut., ört, fully, quite; eigi ört hálfr fjórði tugr manna, not quite thirty-five men;

örr

3) active, energetic.

Possible runic inscription in Younger Futhark:ᚢᚱᚱ