名詞 haversack:

1. a bag carried by a strap on your back or shoulder
   同義詞：backpack, back pack, knapsack, packsack, rucksack

hav.er.sack

n.（名詞）
A bag carried over one shoulder to transport supplies, as on a hike.
粗帆布背包：一種旅行時(shí)裝運(yùn)給養(yǎng)的背于肩頭的包

來(lái)源：
French havresac
法語(yǔ) havresac
from obsolete German Habersack
源自 已廢德語(yǔ) Habersack
Haber [oats] from Middle High German habere from Old High German habaro
Haber [燕麥] 源自 中古高地德語(yǔ) habere 源自 古高地德語(yǔ) habaro
German Sack [bag] from Middle High German sac from Old High German from Latin saccus * see sack
德語(yǔ) Sack [包] 源自 中古高地德語(yǔ) sac 源自 古高地德語(yǔ) 源自 拉丁語(yǔ) saccus *參見(jiàn) sack