User blog comment:Gr8asb8/Word for curse?/@comment-1980823-20100402014246/@comment-1861513-20100830150457

I agree that áwiergian should be used for "to curse." However, it would most properly be modernized as "awerry" or "aworry." Consider by analogy byrgan→bury, myrgan→merry and wyrgan→worry. For the noun, OE áwierigung could be revived as "awerrying" or "aworrying."