An old unit of measurement for length used in France and some other European countries, roughly equivalent to an English yard or meter.
From Old French 'aune,' from Latin 'ulna' (forearm/elbow). Many measurement units were based on body parts—the aune was supposedly the length of a man's arm.
Medieval measurements were charmingly based on human bodies—an aune was an arm's length, a foot was a foot, an inch was the width of a thumb—which is why different regions had slightly different 'standards' for the same unit.
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