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Origin and history of oscillation

oscillation(n.)

"kind of vibration in which a body swings backward and forward," 1650s, from French oscillation and directly from Latin oscillationem (nominative oscillatio), noun of action from past-participle stem of oscillare "to swing," from oscillum "a swing," which usually is identified with the oscillum that meant "little face" (literally "little mouth"), a mask of open-mouthed Bacchus hung up in vineyards as a charm (the sense evolution would be via the notion of "swinging in the breeze"); from PIE *os- "mouth" (see oral). Figurative use, in reference to a swinging back and forth (in opinion, attitude, etc.) is by 1798.

also from 1650s

Entries linking to oscillation

oral(adj.)

1620s, "uttered by the mouth or in words;" 1650s, "of or pertaining to the mouth," from Late Latin oralis, from Latin os (genitive oris) "mouth, opening, face, entrance," from PIE *os- "mouth" (source also of Sanskrit asan "mouth," asyam "mouth, opening," Avestan ah-, Hittite aish, Middle Irish a "mouth," Old Norse oss "mouth of a river," Old English or "beginning, origin, front").

Os was the usual word for "mouth" in Latin, but as the vowel distinction was lost it became similar in sound to os "bone" (see osseous). Thus bucca, originally "cheek" but used colloquially as "mouth," became the usual word for "mouth" (see bouche).

The psychological meaning "of the mouth as the focus of infantile sexual energy" (as in oral fixation) is attested from 1910. The sex-act sense is first recorded 1948, in Kinsey. As a noun, "oral examination," attested from 1876. Related: Orally (c. 1600); orality. 

oscillate(v.)

1726, intransitive, "to vibrate, move backward and forward," as a pendulum does, a back-formation from oscillation, or else from Latin oscillatus, past participle of oscillare "to swing." Transitive sense of "cause to swing backward and forward" is by 1766. From 1917 in electronics, "cause oscillation in an electric current." Related: Oscillated; oscillating.

oscilloscope(n.)

"instrument for visually recording an electrical wave," by 1907, a hybrid formed from Latin oscillare "to swing" (see oscillation) + -scope. In reference to the modern cathode-ray oscilloscope, by 1927.

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    cycle
    late 14c., cicle, "perpetual circulating period of time, on the completion of which certain phenomena return in the same order," especially and originally in reference to astronomical phenomena, from Old French cicle and directly from Late Latin cyclus, from Greek kyklos "circle,
    transient
    c. 1600, "transitory, not durable," from Latin transientem (nominative transiens) "passing over or away," present participle of transire "cross over, go over, pass over, hasten over, pass away," from trans "across, beyond" (see trans-) + ire "to go" (from PIE root *ei- "to go").
    abet
    late 14c., "urge on, incite" (implied in abetting), from Old French abeter "to bait, to harass with dogs," literally "to cause to bite," from a- "to" (see ad-) + beter "to bait." This verb is probably from Frankish or some other Germanic source (perhaps Low Franconian betan "inci
    beat
    Old English beatan "inflict blows on, strike repeatedly, thrash" (class VII strong verb; past tense beot, past participle beaten), from Proto-Germanic *bautan (source also of Old Norse bauta, Old High German bozan "to beat"), from PIE root *bhau- "to strike." Past tense form beat
    beta
    second letter of the Greek alphabet, c. 1300, from Greek, from Hebrew/Phoenician beth (see alphabet); used to designate the second of many things. Beta radiation is from 1899 (Rutherford). Beta particle is attested from 1904. Beta male, pejorative term for a risk-avoidant, non-co
    action
    mid-14c., accioun, "cause or grounds for a lawsuit," from Anglo-French accioun, Old French accion, action (12c.) "action; lawsuit, case," from Latin actionem (nominative actio) "a putting in motion; a performing, a doing; public acts, official conduct; lawsuit, legal action" (sou
    wave
    "move back and forth," Old English wafian "to wave, fluctuate" (related to wæfre "wavering, restless, unstable"), from Proto-Germanic *wab- (source also of Old Norse vafra "to hover about," Middle High German waben "to wave, undulate"), possibly from PIE root *(h)uebh- "to move t
    pass
    late 13c., passen (transitive), "to go by (something)," also "to cross over," from Old French passer "to pass" (11c.), from Vulgar Latin *passare "to step, walk, pass" (source also of Spanish pasar, Italian passare), from Latin passus "step, pace" (from PIE root *pete- "to spread
    ripple
    early 15c., riplen, "to crease, wrinkle;" 1660s, "to present a ruffled surface," of obscure origin, perhaps a frequentative of rip (v.), and compare rip (n.2) and rumple. Transitive sense, in reference to the surface of water, "cause to ripple, agitate lightly," is from 1786. Rel
    activity
    c. 1400, "active or secular life," from Old French activité, from Medieval Latin activitatem (nominative activitas), a word in Scholastic philosophy, from Latin activus "active" (see active). The meaning "state of being active, briskness, liveliness" is recorded from 1520s; that

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