It's an anglicized spelling of the Irish Gaelic word 'loch' meaning 'lake'.
The word 'lough' is the Irish spelling for 'loch' or 'lake'. The nouns lough, loch, and lake are singular, common, conctete nouns; a word for a thing.
"Lough" is not a German word and does not have a pronunciation in German. It is actually an Irish word used to describe a lake or a fjord.
There are many Irish rivers and many Irish lakes. Some Irish Rivers: Shannon. Boyne. Nore. Suir. Barrow. Blackwater. Garavogue. Corrib. Slaney. Lee. Lagan. Some Irish Lakes: Lough Neagh. Lough Derg. Lough Ree. Lough Forbes. Lough Erne. Lough Ennell. Lough Dan. Lough Corrib. Lough Sheelin. Lough Gowna. Lough Derravaragh.
Loch or Lough are Gaelic words for Lake. Loch is used in Scottish Gaelic and Lough in Irish Gaelic.
Lough, an anglicization of the Irish Gaelic loch.
Loch
Lough Corrib.
Ireland is completely surrounded by water, just West of the United Kingdom. There is the North Atlantic Ocean to the West and the Bay of Biscay to the South. The Irish Sea is to the East and there is more Atlantic Ocean to the North.
Lough Neagh comes from the Irish, 'Loch nEathach' meaning 'Lake of Eathach'. Which probably refers to one of the legendary Kings of Ireland.
The word 'lough' is a noun and so doesn't have a present perfect tense.
In Scotland it is the same as the Scottish-English and Scots word - "Loch" as in "Loch Dubh" Dark Lake. In Irish it is spelled "Lough" but has a similar pronunciation to Loch
The largest lake in Northern Ireland and also the largest in the Britain and Ireland is Lough Neagh with an area of 392 square kilometres (151 square miles). It is also one of the ten largest lakes in Western Europe.