Sund-plega

According to the Old English Dictionary:

an;

sund-plega

m. Play in the water:?-Se tíreádga (the Phenix) twelf síþum hine bibaþaþ . . . siþþan hine sylfne æfter sundplegan hefeþ on heánne beám, Exon. Th. 205, 12; Ph. 111. Se hærnflota (the ship) æfter sundplegan (its journey across the sea) sondlond gespearn, 182, 10; Gú. 1308. sund-plega