bumble
UK: ˈbʌm.bəl | US: ˈbʌm.bəl
vi. to act or move clumsily or confusedly
vi. to speak or utter in a hesitant or mumbled manner
n. a clumsy mistake or blunder
bumble = bum<to hum or buzz> + le<frequentative verb suffix>
- bum: Likely imitative in origin, suggesting a humming or buzzing sound (compare "hum" or "buzz").
 - le: A frequentative suffix in English, indicating repeated or habitual action (e.g., "dazzle," "sparkle").
 
Etymology Origin:
The word "bumble" emerged in Middle English, imitating the sound of buzzing or humming (like a bee). Over time, it evolved to describe clumsy, confused actions or speech, likely due to the association of erratic movement with the sound of buzzing insects. The suffix "-le" reinforces the idea of repetitive or habitual behavior, giving us the modern sense of fumbling or blundering.
The waiter bumbled through the crowded room, nearly dropping the tray.
He bumbled his speech, forgetting half his lines.
Don’t bumble with the settings—just follow the instructions.
Her bumble during the presentation cost her the promotion.
The bee bumbled from flower to flower, heavy with pollen.