computist
noun
com·put·ist
kəmˈpyütə̇st,
-ütə̇-;
ˈkämpyətə̇-
plural -s
: one skilled in computing (as dates of the calendar, business accounts, astronomical problems)
Word History
Etymology
alteration (influenced by compute) of earlier compotist, from Middle English compotiste, from Middle French, from Medieval Latin computista, compotista, from Late Latin computus, compotus + Latin -ista -ist