Makeeryam or Meissa. The Confluence of Astronomy, Maths & Astrology came to be known as the Tri Skanda Jyotis Sastra, Siddhanta Ganita Horeti Thri Skanda Jyoti Sastra Uchyate. It has been defined as the Eye of the Veda Purusha, the Absolute Self as Wisdom Eternal, Jyotisham Chakshushee cha !