abaculus
n.n. a small stone or piece of wood used by ancient people to help with counting. It is a very old tool for doing math.
n. a small stone or piece of wood used as a counting tool in ancient times. Often used in the context of early mathematical or accounting practices.
The abaculus was used to keep track of numbers.
While the abaculus served as a simple counting aid, its design allowed for complex calculations that were essential for managing trade and taxation in the ancient world.
From Latin abaculus, diminutive of abacus.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Last updated May 18, 2026