From PIE *prkā- (to dig up earth)—one of the oldest farming words in Indo-European languages.
A long, narrow trench made in the ground by a plough, or a deep wrinkle in the skin.
From Old English 'furh,' from Proto-Germanic *furhō, from PIE *prkā- (to dig, to tear up). An ancient agricultural word—the same PIE root gives Latin 'porca' (a ridge between furrows), showing how deeply ploughing shaped Indo-European vocabulary. Key roots: *prkā- (Proto-Indo-European: "to dig, to tear up the