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Origin and history of modulate

modulate(v.)

1610s, in music, "vary or inflect the sound of," especially to give expressiveness, "vary the pitch of," back-formation from modulation, or else from Latin modulatus, past participle of modulari "regulate, measure off properly, measure rhythmically; play, play upon," from modulus "small measure," diminutive of modus "measure, manner" (from PIE root *med- "take appropriate measures").

General sense of "modify, adjust, adapt, regulate in measure or proportion" is from 1620s. The intransitive musical sense of "pass from one key to another, or between major and minor" is attested by 1721. In telecommunications from 1908. Meaning "exert a controlling influence on, regulate" is by 1964. Related: Modulated; modulating.

also from 1610s

Entries linking to modulate

modulation(n.)

late 14c., modulacioun, "act of singing or making music, harmony," from Old French modulation "act of making music" (14c.) and directly from Latin modulationem (nominative modulatio) "rhythmical measure, singing and playing, melody," noun of action from past-participle stem of modulari "regulate, measure off properly, measure rhythmically; play, play upon," from modulus "small measure," diminutive of modus "measure, manner" (from PIE root *med- "take appropriate measures"). Meaning "act of regulating according to measure or proportion" is from 1530s. Musical sense of "action or process of changing from one key to another" is by 1690s.

modulator(n.)

c. 1500, "one who or that which modulates," from Latin modulator "one who measures by rule, a regulator" in various senses (such as "musical director"), agent noun from past participle stem of modulari "regulate, measure off properly" (see modulate). Meaning "device that produces modulation of a wave" is from 1919.

*med-

Proto-Indo-European root meaning "take appropriate measures."

It might form all or part of: accommodate; accommodation; commode; commodious; commodity; empty; immoderate; immodest; Medea; medical; medicament; medicaster; medicate; medication; medicine; medico; medico-; meditate; meditation; Medusa; meet (adj.) "proper, fitting;" mete (v.) "to allot;" modal; mode; model; moderate; modern; modest; modicum; modify; modular; modulate; module; modulation; mold (n.1) "hollow shape;" mood (n.2) "grammatical form indicating the function of a verb;" must (v.); premeditate; premeditation; remedial; remediation; remedy.

It might also be the source of: Sanskrit midiur "I judge, estimate;" Avestan vi-mad- "physician;" Greek mēdomai "be mindful of," medesthai "think about," medein "to rule," medon "ruler;" Latin meditari "think or reflect on, consider," modus "measure, manner," modestus "moderate," modernus "modern," mederi "to heal, give medical attention to, cure;" Irish miduir "judge;" Welsh meddwl "mind, thinking;" Gothic miton, Old English metan "to measure out."

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    regulate
    early 15c., regulaten, "adjust by rule, method, or control," from Late Latin regulatus, past participle of regulare "to control by rule, direct," from Latin regula "rule, straight piece of wood" (from PIE root *reg- "move in a straight line," with derivatives meaning "to direct i
    tone
    mid-14c., "musical sound or note," from Old French ton "musical sound, speech, words" (13c.) and directly from Latin tonus "a sound, tone, accent," literally "stretching" (in Medieval Latin, a term peculiar to music), from Greek tonos "vocal pitch, raising of voice, accent, key i
    mouth
    Old English muþ "oral opening of an animal or human; opening of anything, door, gate," from Proto-Germanic *muntha- (source also of Old Saxon, Old Frisian muth, Old Norse munnr, Danish mund, Middle Dutch mont, Dutch mond, Old High German mund, German Mund, Gothic munþs "mouth"),
    adjust
    late 14c., ajusten, "to correct, remedy," from Old French ajuster, ajoster "add; assemble; calibrate, gauge, regulate," from Late Latin adiuxtare "to bring near," from ad "to" (see ad-) + Latin iuxta "next, close by" (from suffixed form of PIE root *yeug- "to join"). In 16c. Fren
    alert
    "on the watch," 1610s, from French alerte "vigilant" (17c.), from prepositional phrase à l'erte "on the watch," from Italian all'erta "to the height." The second element is from erta "lookout, high tower," noun use of fem. of erto, past participle of ergere "raise up," from Latin
    alter
    late 14c., "to change (something), make different in some way," from Old French alterer "to change, alter," from Medieval Latin alterare "to change," from Latin alter "the other (of the two)," from PIE root *al- (1) "beyond" + comparative suffix -ter (as in other). Intransitive s
    change
    c. 1200, "to alter, make different, change" (transitive); early 13c. as "to substitute one for another;" mid-13c. as "to make (something) other than what it was, cause to turn or pass from one state to another;" from late 13c. as "to become different, be altered" (intransitive),
    talk
    c. 1200, talken, "speak, discourse, say something," probably a diminutive or frequentative form related to Middle English tale "story," and ultimately from the same source as tale (q.v.), with rare English formative -k (compare hark from hear, stalk from steal, smirk from smile)
    speak
    Middle English speken, from Old English specan, variant of sprecan "to utter words articulately without singing, have or use the power of speech; make a speech; hold discourse" with others (class V strong verb; past tense spræc, past participle sprecen), from Proto-Germanic *spre
    correct
    mid-14c., "to set (someone) right by punishing for a fault or error, to discipline;" late 14c., of texts, "to bring into accordance with a standard or original," from Latin correctus, past participle of corrigere "to put straight, attempt to make (a crooked thing) straight, reduc

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