bungle

The origin of the verb is uncertain; it is either: * onomatopoeic in origin (compare bumble (“to act in an inept, clumsy or inexpert manner; to make mistakes”), fumble (“to grope awkwardly in trying to find something; to blunder uncertainly”)); or * from Old Norse; compare Old Swedish bunga (“to strike”), and dialectal Swedish bangla (“to work ineffectually”). The noun is derived from the verb. Cognates * German Bengel (“cudgel; rude fellow”) * Middle High German bungen (“to hammer”)