Definition of disaugment in English:

disaugment

Pronunciation /ˌdɪsɔːɡˈmɛnt/

verb

rare
  • To reverse the augmentation of; to diminish, lessen, reduce.

Origin

Early 17th century; earliest use found in Randle Cotgrave (fl. 1587–?1630), lexicographer. From dis- + augment, originally after Middle French, French †desaugmenter.