Plagiarism literally means kidnapping, thanks to an angry Roman poet
In the first century the Roman poet Martial complained that a rival had kidnapped his verses, using the Latin word plagiarius, a kidnapper. The insult stuck. Ben Jonson brought plagiary into English in 1601, and plagiarism followed around 1620. Oddly, the act it names is not itself a crime anywhere.
The Latin roots run deeper still: plagium, kidnapping, comes from plaga, a snare or net, traced to an Indo-European root meaning to weave. A common claim holds that the ancients had no idea of plagiarism and only began condemning it around the Enlightenment or the Romantic era. The evidence says otherwise. Polybius and Pliny the Elder both treated copying as scandalous, a third-century Greek biography reports that Heraclides Ponticus was accused of stealing a treatise on Homer and Hesiod, and Vitruvius carefully credited earlier writers while condemning those who did not.
No current statute, criminal or civil, mentions plagiarism by name. Copying can still land in court as copyright infringement, fraud, unfair competition or breach of contract, but the concepts differ. Infringement wrongs a rights holder by using protected material without consent; plagiarism is a false claim of authorship, a moral offence against readers, teachers or employers who expected original work, and it applies even to material long out of copyright.
Universities define it in slightly different words. Yale explicitly includes paraphrase that stays too close to its source, while Princeton stresses deliberate use of material that is not common knowledge. A 2015 Turnitin survey of teachers listed ten common forms, among them recycling one's own earlier work without citation, close paraphrasing and relying so heavily on others that no original thought remains.
The cat-and-mouse continues. Detection software is imperfect, and some students swap in enough synonyms to slip past it, a trick nicknamed Rogeting. Others pay essay mills, a practice called contract cheating that, as of 2021, few places had outlawed. Penalties can reach expulsion for students and dismissal for researchers, and plagiarism is a frequent reason for retracting published papers.
Source: Plagiarism
