ait

AYT (rhymes with "eight")

A small island, especially one in a river. The Thames has dozens of aits — Eel Pie Island, Chiswick Eyot, Osney — green, tree-shaded islands in the middle of the current that seem to belong to a different century than the city around them. The word is one of the shortest and oldest landscape terms in English.
Etymology
Old English ēgett, a small island, diminutive of ēg, island. Related to eyot (pronounced the same). The word has been in English for over a thousand years.
Old English river water
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