A self-propelled tractor or farming vehicle that operates automatically or with minimal human control.
From auto- (self) + tractor (from Latin trahere, to pull). The term combines the idea of self-operation with machinery designed to pull or move objects.
This word represents early 20th-century optimism about automation in agriculture—inventors were imagining tractors that could work fields with less human effort, a dream that wouldn't fully materialize until GPS and autonomous farming systems arrived a century later.
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