rathskeller
‘a restaurant or tavern, usually below street level, that features the serving of beer’
Lexical development traced from the Tamil root:
E. rath'skeller < G. rathskeller (earlier, ratskeller ‘a cellar in a German town hall in which beer is sold’; the letter h is added to avoid confusion with the word rat ‘rodent’) <rat ‘council’ ’ related to O.H.G. ratan, G. raten ‘to advise, counsel, interpret, guess’ < Proto-G.redaz + keller ‘cellar’ < ra < ar- < Tamil ār