means "descendant of cain"
Tubal-cain or Tubalcain (Hebrew: תּוּבַל קַיִן – Tūḇal Qayīn) is a person mentioned in the Bible, in Genesis 4:22, known for being the first blacksmith. He is stated as the "forger of all instruments of bronze and iron". A descendant of Cain, he was the son of Lamech and Zillah. Tubal-cain was the brother of Naamah and half-brother of Jabal and Jubal.