The ism (اسم), is the given name, first name, or personal name; e.g. "Ahmad" or "Fatimah". Most Arabic names have meaning as ordinary adjectives and nouns, and are often aspirational of character. For example, Muhammad means 'Praiseworthy' and Ali means 'Exalted' or 'High'.
Shams-ud-Din Iltutmish, or Altamash, was the third Sultan of Delhi, and the only other significant ruler, besides the founder Qutb ud din Aibak, of the Slave Dynasty. ... Altamash in arabic means The chief of the army, vanguard. Source: What is the meaning of the name Altamash?
