gunny (n.1)youdaoicibaDictYouDict[gunny 词源字典]
1711, Anglo-Indian goney name of a strong, coarse fabric made from jute or hemp, from Hindi goni, from Sanskrit goni "sack." Gunny sack attested by 1862.[gunny etymology, gunny origin, 英语词源]
gunny (n.2)youdaoicibaDictYouDict
1940s, Armed Forces slang, short for gunnery sergeant.