This is the 11099th most frequent French word.
pourriture
Rot; decay.
'Pourriture' indicates a physical state of decay or decomposition in this context.
La vieille maison avait une odeur de pourriture et d'humidité.
The old house had a smell of rot and dampness.
'Pourriture' refers to the decay or rotting of organic material, specifically fruit in this instance.
La pourriture des fruits est un signe de fermentation.
Fruit rot is a sign of fermentation.
'Pourriture' metaphorically describes a moral or ethical decay here, applied to behavior.