What is "al-jawhari"

Al-Jawhari, also romanized as Al-Jauhari, is the short form of a person's name and may refer to:

• Al-Abbās ibn Said al-Jawharī (died circa 860), a mathematician who wrote a commentary on Euclid's Elements
• Ismail ibn Hammad al-Jawhari (died circa 1003), a lexicographer who wrote one of the first large Arabic dictionaries