Plural of fistful; the amount of something that can be held in a closed fist.
Combination of fist and full, meaning 'as much as a fist can hold.' The plural -s creates the standard noun plural in English, used since at least the 14th century.
A 'fistful of dollars' became such an iconic phrase (thanks to spaghetti westerns) that we now use it casually, but it literally just means 'a handful of cash'—and it's hard to count when you're holding that many coins or bills!
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