What is "ilamcetcenni"

Iḷamcēṭceṉṉi (, ) was an early Tamil king of the Chola dynasty during the Sangam period. He was a great warrior and ruled the Chola kingdom with Puhar as the capital. He married a princess of the Velirs and their child was Karikala Chola. Iḷamcēṭceṉṉi was succeeded by his son, Karikala Chola, who is considered the greatest among the Early Cholas.