The word 'abacus' is originally from Greek 'abakos'

'Abacus' is a word borrowed from Greek 'abakos'. The word entered the English language some time around the 14th century.

abacus [noun] [14th century]

• an instrument for performing calculations by sliding counters along rods or in grooves
• a slab that forms the uppermost member or division of the capital of a column

See 'abacus' on the Loan Words Map

See more loan words from Greek.

Etymology: Latin, from Greek 'abak-, abax' literally, slab

See more loan words from 1300s.