Stopper
/ˈstɒp.ər/noun
A device or object used to close or seal an opening, or a person or thing that stops something.
Did you know?Its core comes from the same Germanic family as *stop*, a blunt, physical idea of halting or plugging something that later became both a noun and a verb in English.
Etymological Timeline
Proto-Indo-European
PIE
*steb-
“to be stiff, firm, or set”
Proto-Germanic
PGmc
*stuppōną / *stapjaną
“to stop, block, or make firm”
Old English
OE
stoppian
“to stop up, plug, or close”
Middle English
ME
stoppen
“to plug, close, or block”
Late Middle English
English
stopper
“one who or that which stops or plugs”
Modern English
English
stopper
“a plug, seal, or anything that prevents passage”