I. verb (~d; crumbling) Etymology: alteration of Middle English kremelen, frequentative of Old English gecrymian to ~, from cruma Date: 1547 transitive verb to break into small pieces, intransitive verb to fall into small pieces ; disintegrate , to break down completely ; collapse , II. noun Date: 1860 something ~d ; fine debris, crisp 2
CRUMBLE
Meaning of CRUMBLE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012