noun, feminine/pyʁ.te/plural: puretés
pureté is feminine in French.
purity
“la pureté du cœur et de l'esprit” — the purity of heart and spirit
Alteration of Old French purté, inherited from Late Latin pūritātem, from Latin pūrus (“pure”) + -tās (noun-forming suffix). By surface analysis, pur + -eté.