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The term Bhujinmol means "fly-headed", from the Nepal Bhasa words "bhujin", meaning "housefly", and "mol", meaning "head". The "head" is the horizontal line that is put above each letter, and Bhujimol refers to its rounded shape.
In 2003, a brick was discovered in Chabahil, in the course of reconstruction of the Chabahil Stupa or Dhando Chaitya, bearing inscriptions in both Brahmi and Bhujimol: The upper face is inscribed with Cha Ru Wa Ti in Brahmi, and with Cha Ru Wa Ti Dhande / He Tu Pra Bha in Bhujimol script. There are Swastika marks at the two ends of the upper face with a Chakra mark in between. The brick measures 35.5 cm x 23 cm x 7 cm and weighs 8.6 kg. The brick may date to as early as the 3rd century BC.
The previously earliest known inscription in the Kathmandu Valley dates from the 6th century and is installed at Changu Narayan. The inscription is interpreted to refer to Charumati, a daughter of emperor Ashoka.