The name Le Puiset comes from Latinputeus, pit or cistern, whence Frenchpuits, well. It takes its name from a local spring. In medieval sources, its name is given as Puteolum, Puteacum, Pusiacum, Puisiacum or Pusatum in Latin and as Puisat or Puysiax (among others) in French. Its inhabitants were called Puteacenses.[3]