The story
- Medieval Latin · derived fromabacista
- Middle English · inherited fromabaciste
- English todayabacist
From Middle English abaciste, from Medieval Latin abacista, from abacus + -ista (“-ist”).
First known use, by meaning
- First attested from around (1350 to 1470). One who uses an abacus in casting accounts; a calculator.
Etymology from Wiktionary, CC BY-SA 4.0.