Ýþ-bord

According to the Old English Dictionary:

es;

ýþ-bord

n. A ship's side :-- Ðonne sǽrófe snelle mægne árum bregdaþ ýðborde neáh (sitting near the side of the ship), Exon. Th. 296, 27; Crä. 57. Swá eów scipweardas ofer ýðbord (speaking across the ship's side; cf. over-board) unnan willaþ, Andr. Kmbl. 595; An. 298. Cf. Bord oft onféng ýða swengas, Elen. Kmbl. 476; El. 238. yþ-bord