Lu
/luː/noun
A British informal spelling variant of “loo,” meaning a toilet or bathroom.
Did you know?“Lu” is a shortened spelling of “loo,” whose origin remains disputed; proposed explanations include euphemism, slang, and associations with Waterloo, but none is proven.
Etymological Timeline
19th Century
English
loo
“British informal term for a toilet; its original source is uncertain”
19th Century
English
lu
“A shortened or variant spelling of “loo””
20th Century
English
lu
“Informal British noun for a toilet or bathroom”
Modern English
English
Lu
“Rare variant spelling of “loo,” chiefly encountered in British English”