Buffer
/ˈbʌf.ər/noun
A device or material that lessens impact, or a person or thing that moderates between two forces.
Did you know?The word entered English in the 18th century from French, where it was tied to the idea of a padded cushion or shock-absorber rather than any mystical meaning.
Etymological Timeline
Late Latin
Latin
bufa
“A puffed cheek or blow-like swelling; the exact source is uncertain.”
Old French
French
buffe
“A slap, blow, or padded cushion used to soften impact.”
18th Century
English
buffer
“A pad or device that absorbs shock or lessens collision.”
19th Century
English
buffer
“A person or thing that mediates or softens conflict or force.”
Modern English
English
buffer
“Anything that reduces abrupt change, impact, or strain, including a memory area in computing.”