sǣ-burh, f.n: a maritime town. (SÆ-burh)

A man riding on a donkey, head in hand, across a bridge, as a personification of Idleness (Peresse). The Dunois Hours. Central France (Paris), c. 1440 – c. 1450 (after 1436). British Library, Yates Thompson 3, f. 162r. [bl.uk]