The plough occupies a distinctive niche in depth-psychological discourse, functioning simultaneously as a concrete agricultural implement, an etymological object of scholarly reconstruction, and a charged psychosexual symbol. Jung is the most consequential voice: in Symbols of Transformation he traces phallic plough symbolism from primitive spring fertility rites—in which the piercing of the earth enacts a sacred mating—through to fully elaborated mythological and alchemical contexts, with the index entries for that volume cross-referencing plough, ploughed furrow, phallic symbolism, and etymology together as a coherent cluster. The Aion index similarly flags the plough in proximity to Plutarch, pneuma, and prima materia, signalling its alchemical resonance. Campbell registers the plough as a civilizational invention attributed to the divine-human culture hero Shen Nung, whose bull-headed body and miraculous origins encode it within the mythic grammar of world-founding power. Hesiod, whose Works and Days constitutes the oldest sustained literary treatment, frames ploughing as the central obligation of the agricultural year, binding it tightly to the Pleiades’ rising and setting, to the rhythms of Zeus’s will, and to the moral economy of toil versus idleness. Beekes’ etymological analyses illuminate the Greek lexical field—ἄροτρον, αὔλαξ, φάρος—anchoring depth-psychological readings in philological bedrock. Tension persists between the naturalistic-agrarian and the symbolic-phallic registers, a tension the corpus never fully resolves.