At-ýwanBosworth & Toller Anglo-Saxon Old English Dictionary - at-ýwanAccording to the Old English Dictionary:at-ýwanp. de; pp. ed To shew; ostendere :-- He atýwde him ostendit eis, Ps. Spl. C. 77, 14.Related words: æt-ýwan, ýwan. at-ywan