karsha

In India, at least as early as the 4th century bce – 19th century, a unit of mass = 16 suvarna-mashas. Also called a suvarna. Perhaps about 6.8 grams.

R. Shamasasatry, trans.
Kautila's Arthaśāstra. 8th ed.
Mysore: Mysore Printing and Publishing House, 1967.

See Book II, chapter 19.

sources

Karsha, Karshapaṇa, S. &c. ( ) A weight of gold or silver equal to 16 máshas, or about 180 troy grains; in Uriya, it is written Karisa, and means a brass weight of four máṛhas.

H. H. Wilson, 1855, page 265.