A small amount or trickle, or an obsolete term with uncertain meaning in modern English.
Possibly related to Old English 'dreofan' or Germanic roots meaning 'to drip' or 'to flow,' though the exact connection is unclear.
Three-letter words from Old English like drof are precious to etymologists—they're glimpses into how our ancestors described the tiny phenomena of daily life, from dripping water to small portions of food.
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