Back to explorer

entry

crumb

/krʌm/

A tiny fragment of bread or other material

From Proto-Germanic *krumô (Fragment or crumb).

noun
verb
crumb
Proto-Germanic
Verified
*krumô
reconstructed
Reconstructed word meaning “fragment, crumb”

from Proto-Germanic *krumô, *krūmô (“fragment, crumb”). The b is unetymological, as in limb, and first appeared in the...

Old English
Verified
cruma
“Crumb, fragment, morsel,” especially of food

from Old English cruma "fragment of bread or other food, a morsel, small fragment,"

+1 more source
Middle English
Verified
crome, cromme, crumme, crume
The word continued to mean a small fragment

from Middle English crome, cromme, crumme, crume

Modern English
AI-inferred
crumb
The unetymological -b- appeared in the mid-15th century, probably influenced by words such as dumb, numb, and thumb, and by crumble
Modern English
crumb

Picture an Anglo-Saxon baker in England breaking open a loaf: the tiny leftovers on the table were cruma, a word inherited from the Germanic vocabulary of fragments. The trail runs through Middle English crome and crumme before an unexpected letter wandered in during the mid-15th century: the b in crumb is not historical inheritance but a spelling intrusion, encouraged by words such as dumb and thumb. Say the word aloud and the b vanishes completely—a linguistic ghost hiding in plain sight. The same Germanic family still survives in Dutch kruim and German Krume, while English crumble preserves the old fragmenting idea in a more active form. By 1863, American slang used crumb for a body louse because it supposedly resembled a tiny crumb; by 1918, the insult had broadened into “a lousy person,” leaving us with a word that can describe both the smallest piece of bread and, metaphorically, someone considered worthless.

§