Definify.com
Webster 1913 Edition
Depopulacy
De-pop′u-la-cy
,Noun.
 Depopulation; destruction of population. 
[R.] 
Chapman.
 Definition 2025
depopulacy
depopulacy
English
Noun
depopulacy (uncountable)
-  (obsolete) depopulation
- (Can we find and add a quotation of Chapman to this entry?)