at
1.
demonstrative particle before a comparative, the, all the, so much the; hón grét at meir, she wept the more; þykkir oss at líkara, all the more likely; þú ert maðr at verri (so much the worse), er þú hefir þetta mælt ;
2.
rel. pron., who, which, that ( =er); þeir allir, at þau tiðindi heyrðu, all those who heard; sem þeim er títt, at (as is the custom of those who) kaupferðir reka
