sumpter

noun

sump·​ter ˈsəm(p)-tər 

: a pack animal

Word History

Etymology

Middle English, short for sompter hors, from sompter driver of a packhorse, from Anglo-French sumeter, from Vulgar Latin *sagmatarius, from Late Latin sagmat-, sagma packsaddle, from Greek; akin to Greek sattein to pack, stuff

First Known Use

1526, in the meaning defined above