noun, masculine/blɑ̃.ʃi.mɑ̃/plural: blanchiments
blanchiment is masculine in French.
bleaching; laundering (especially of money); blanking; bloom (chocolate)
“Le blanchiment des pages du site est protégé par un robot.” — The page site blanking is protected by a robot.
From blanchir (“to bleach”) + -ment.