ooze 2
(z)
(z)n.
1. Soft mud or slime.
2. A layer of mudlike sediment on the floor of oceans and lakes, composed chiefly of remains of microscopic sea animals.
3. Muddy ground.
[From Early Modern English oase, ooze (probably influenced by OOZE1), from Middle English wose, from Old English wāse; akin to Danish dialectal vejs.]