Tisco To Disco

This legendary steel gets its name from the Tamil word urukku, or the Kannada/Telugu word ukku, meaning steel. Aus Hajr, an Arab poet, wrote in admiration in AD 540 that “It has a water whose wavy streaks are glistening. It is like a pond over whose surface the wind is gliding. The smith has worked out in a grain as if it were the trail of small black ants that had trekked over it while it was still soft.
”Name this most famous product of medieval Indian metallurgy.

ANS:Damascus Steel