Douglas Harper's Etymology Dictionary
pied a terre
"small town house or rooms used for short residences," 1829, French, pied à terre, literally "foot on the ground."
Wikipedia
Pied à Terre (restaurant)
Pied à Terre is a Michelin starred French restaurant in the Fitzrovia district of central London.
The restaurant is co-owned by David Moore who has been involved since the restaurant first opened its doors in 1991, with Andy McFadden as head chef. The restaurant caters for business and leisure diners and is open every day except Saturday lunchtime and Sunday, when its sister restaurant, L'Autre Pied is open. Moore has had key roles or contributed to television programmes such as BBC’s The Restaurant and Masterchef.