Funny, I have heard them called French Drains
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I think that's the English word for that, yes. In Germany we normally call it "Drainage" which is also a French word. Don't know what we Germans got with France and trenches... ¯\_(ツ)_/¯
Franco-Prussian War, World War I, World War II...
</satire> ;-)
"French" actually refers to the (American) popularizer, Henry French.
Generically, it's usually "weeping tile".
From the surname of the implementor.