An Etymological Dictionary of Astronomy and Astrophysics

A weight that balances another weight.

Etymology (EN): → counter-; → weight.

Etymology (PE): Pârsang “a make-weight,” from pâr-, a variant of pâd-, → counter-, + sang a variant of sanj, sanjidan “to measure; compare, put in balance,” → object; alternatively, pârsang “a piece of stone,” from pâr, short for pâré “piece, part,” + sang, → stone, meaning “weight.”