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ádam [Tamil அடம்]

In southern India, ? – 19ᵗʰ century, a measure used for oil = 20 paḍis. Assuming the value Wilson gives for the puddee, 93.752 cubic inches, the ádam would be about 30.7 liters. If a 100-cubic-inch puddee is assumed the ádam would be about 32.8 liters.

H. H. Wilson.
A Glossary of Judicial and Revenue Terms, and of Useful Words Occurring in Official Documents Relating to the Administration of the Government of British India, from the Arabic, Persian, Hindustání, Sanskrit, Hindí, Bengálí, Uṛiya, Maráṭhi, Guzaráthí, Telugu, Karnáta, Tamil, Malayálam, and other Languages.
London: W. H. Allen and Co., 1855.

Pages 286 & 568.