The discipline of Mastaba is a form of martial arts training used by the Jaffa. All of Imhotep's Jaffa were required to master it, and the Rebel Jaffa also made it a requirement within their ranks. Both Teal'c and Ishta are skilled in this form of hand-to-hand combat. Mastaba is similar to Jomo Se Telek, the unique fighting style of the Sodan warriors.
Cross Reference: Bashaak, Goa'uld Language, Jaffa, Jomo Se Telek, Lok'nel, Teal'c
Episode Reference: The Warrior, Birthright