overwater

By or across water, especially of travel.

This detailed account of diversification shows that most of New Zealand's biota results from overwater colonization, rather than survival since New Zealand separated from Australia .

Built or situated on stilts in the ocean.

To water too much.

Cyperus are natives of tropical swamps, so it's virtually impossible to overwater them.

There are recommended tactics to avoid potential plant overwatering, such as watering plants from the bottom if they are in pots.