Abstract Tocharian B eñcuwo “iron” and A añcu * have been connected to the Iranian words for “iron”, notably Khwarezmian hnčw . On basis of insights into patterns borrowings from Khotanese Tocharian, it is argued that must borrowed a preform hīśśana- “iron”. Further, new etymology proposed accounts variation this word in Iranian. The fact Khotanese, not archaic steppe dialect source many other ...