Æt-standend

According to the Old English Dictionary:

es;

æt-standend

m. A bystander, an attendant :-- Seó heofenlice cwēn cwæd tō hire ætstandendum, Hml. Th. i. 450, 31. Hē þone Hǣlend bodode eallum ætstandendum, Hml. S. 29, 255. æt-standend