A person who fumbles; someone who handles things clumsily or searches awkwardly and uncertainly.
From the verb 'fumble' (from Old Norse 'fumla', meaning to grope or work with the hands clumsily) plus the agent suffix '-er' (one who does).
The word 'fumble' likely came from Old Norse sailors who were awkward on land—it shows how language borrows from cultures that invaded or traded with each other!
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