, a reservoir (Loch Innis MoCholmaig) in Perthshire Loch, as a name for a body of water, is
Insular Celtic in origin and is applied to most lakes and many sea inlands in
Scotland. Many of the loughs in Northern England have also previously been called "meres" (a Northern English dialect word for "lake", and an archaic Standard English word meaning "a lake that is broad in relation to its depth"), similar to the
Dutch , such as the
Black Lough in
Northumberland. Some lochs in Southern Scotland have a
Brythonic, rather than
Goidelic, etymology, such as
Loch Ryan, where the
Gaelic has replaced a
Cumbric equivalent of Welsh . The same is, perhaps, the case for bodies of water in
Northern England named with 'Low' or 'Lough', or else represents a borrowing of the Brythonic word into the Northumbrian dialect of Old English. ==Scottish lakes==