Meaning

noun fecal matter of animals

verb fertilize or dress with dung

verb defecate; used of animals

originFrom Middle English dung, dunge, donge, from Old English dung (“dung; excrement; manure”), from Proto-West Germanic *dungu, from Proto-Germanic *dungō (“dung”), from Proto-Indo-European *dʰengʰ- (“to cover”). Superseded non-native Middle English fen (“dung, excrement, filth”), from Old French fien, fiente (“dung, manure”).

Etymology from Wiktionary, CC BY-SA 3.0