Latin calculātor is an agent noun in -tor formed from the stem calculā- of calculāre.
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calculātor
a teacher of arithmetic; a calculating person
OPEN NODE 431 ↗DESCENDS FROM→
PARENT / EARLIER FORM / attestedLatin · Latin antiquity and Late Latincalculāre
to count, reckon, compute
OPEN NODE 109 ↗01
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The act of counting or computing is recast as the person who performs it.
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CITATION REGISTER
SOURCES ON THIS EDGE
Calculator — Definition, Word History, and First Known UseWord History: calculā- plus the agent suffix -tor
supportsAUDIT SOURCE ↗ORIGINAL ↗Documents the agent-noun formation.
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