Definition of pourriture in US English:

pourriture

(also pouriture)

noun

  • 1Rottenness, rot, decay; frequently figurative.

  • 2In full "pourriture noble". = "noble rot".

Origin

Late 15th century; earliest use found in Loutfut Manuscript. From Middle French, French pourriture decomposition, rot from pourrir to rot + -ure, with inserted -t- after e.g. nourriture.