In India, at least by the 2nd century bce – ?, a unit of mass, about 2.1 milligrams. In concept it is the mass of a black mustard seed (Brassica nigra). From Manusmṛti, and other law books: chart symbol.  From the Mānava-Dharmásāstra chart symbol.

black mustard seeds

Photo courtesy Sanjay Acharya.


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