Dictate

google

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late 16th century (in dictate (sense 2 of the verb)): from Latin dictat- ‘dictated’, from the verb dictare .

wiktionary

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Borrowed from Latin dictātus, perfect passive participle of dictō(“pronounce or declare repeatedly; dictate”), frequentative of dīcō(“say, speak”).

etymonline

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dictate (v.)

1590s, "to practice dictation, say aloud for another to write down," from Latin dictatus, past participle of dictare "say often, prescribe," frequentative of dicere "to say, speak" (from PIE root *deik- "to show," also "pronounce solemnly"). Sense of "to command, declare, or prescribe with authority" is 1620s, as is the meaning "be the determining cause or motive of." Related: Dictated; dictates; dictating.

dictate (n.)

1590s, "positive order or command;" 1610s "authoritative rule, maxim, or precept," from Latin dictatum "a thing said, something dictated," noun use of neuter past participle of dictare "say often, prescribe," frequentative of dicere "to say, speak" (from PIE root *deik- "to show," also "pronounce solemnly").