From Latin fundibulum 'pouring device,' from fundere 'to pour' — the same root as foundry, font, and fusion.
A cone-shaped utensil with a wide opening at the top and a narrow tube at the bottom, used for pouring liquids into containers.
From Middle English fonel, from Old French fonil, entonnoir, from Provençal fonilh, from Latin fundibulum 'funnel,' from fundere 'to pour.' The same Latin root gives us 'foundry,' 'font,' 'fusion,' and 'confuse.' Key roots: *ǵhew- (Proto-Indo-European: "to pour").