- hopper (n.1)[hopper 词源字典]
- "person or animal that hops," mid-13c., agent noun from hop (v.). From c. 1200 as a surname, and perhaps existing in Old English (which had hoppestre "female dancer").[hopper etymology, hopper origin, 英语词源]
- hopper (n.2)
- "container with narrow opening at bottom," late 13c., perhaps an agent noun from hop (v.) via notion of grain juggling in a mill hopper.