Denisses burna

According to the Old English Dictionary:

an;

Denisses burna

m. DENISESBURN, the river Denis; Denisi rīvus :-- On ðære stówe ðe Engle nemnaþ Denisses burna in loco qui lingua Anglōrum Denises burna, id est rivus Denisi vocātur, Bd. 3, 1; S. 524, 10. denisses burna