calculator etymology

English word calculator comes from calculate (which in turn ultimately derives the Latin word calculus, referring to a small pebble used on an abacus) combined with an agent class ending -or

Detailed word origin of calculator

Dictionary entryLanguageDefinition
calculate English (eng) (intransitive, US, dialect) To plan; to expect; to think.. (intransitive, mathematics) To determine values or solutions by a mathematical process; reckon.. (transitive, mathematics) To determine the value of something or the solution to something by a mathematical process.. To adjust for purpose; to adapt by forethought or calculation; to fit or prepare by the adaptation of means to an end.. [...]
-or English (eng) (electrical science) Appended to the names of members of classes of components, especially those that have an extensive property name of the same root suffixed with -ance. Creates an agent noun, indicating a person who does something.
calculator English (eng) (dated) A person who performs mathematical calculation. (obsolete) A set of mathematical tables.. A mechanical or electronic device that performs mathematical calculations.. A person who calculates (in the sense of scheming).

Words with the same origin as calculator

Descendants of -or
accelerator actor actress advisor author communicator coordinator decorator detonator donor elevator instructor investor perk perky projector radiator realtor sculptor sensor ventilator
Descendants of calculate
dysfunctional