brownifies

Verb

brownify (third-person singular simple present brownifies, present participle brownifying, simple past and past participle brownified)

1. To make or become more brown.
   • do not forget his green and gold, and, I have to add, a cock and pinched hat equally rusty, with a break in the centre, from the polite bows he always made, and with a pair of brownified silk stockings – such was once poor A—— – now he has short hair, a plain coat, a gigured velvet waistcoat and...1792, Joseph Palmer, A Fortnight's Ramble to the Lakes in Westmoreland
   1. (informal) To cause to contain more racially 'brown' people, elements, or culture.
      • We are all going to intermarry and brownify and hold hands and honor our essential human cousinhood—weren't we?2012, Jonathan Lethem, The Ecstasy of Influence: Nonfictions, Etc., page 232
   2. To become brown due to increased levels of humic material.