anti-theft

The word "anti-theft" is a modern English compound adjective formed by combining the Greek-derived prefix "anti-" with the Old English noun "theft." The prefix "anti-," meaning "against" or "opposite of," has been a productive element in English since the 16th century, borrowed via Latin from Greek. The noun "theft" has Germanic origins, evolving from Old English to denote the action or crime of stealing. When combined, the morphemes create a transparent, logical meaning: "against theft" or "designed to prevent stealing," a concept essential for describing security devices and measures.

Structure: anti (against) + theft (act of stealing) - anti: From Greek anti (against, opposite). A prefix indicating opposition or prevention. - theft: From Old English thēofth, thīefth, related to thēof (thief). A noun meaning the act of stealing.