Crossword clue: falling short of the natural size, from being impoverished or starved. gray.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
To make poor; to impoverish. Liming does not depauperate; the ground will last long, and bear large grain. Mortimer. Hum