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Origin and history of helix

helix(n.)

"a spiral thing," 1560s, originally of the volutes of Corinthian capitals, from Latin helix "spiral, a volute in architecture," from Greek helix (genitive helikos), a word used of anything in a spiral shape (an armlet, a curl of hair, the tendril of a vine, a serpent's coil), which is related to eilein "to turn, twist, roll," from PIE *wel-ik-, from root *wel- (3) "to turn, revolve," from PIE root *wel- (3) "to turn, revolve." The classical plural is helices.

also from 1560s

Entries linking to helix

helical(adj.)

"spiral-shaped," c. 1600, from Latin helicem (nominative helix) "spiral" (see helix) + -al (1).

helicopter(n.)

1861, from French hélicoptère "device for enabling airplanes to rise perpendicularly," thus "flying machine propelled by screws." From a Latinized combining form of Greek helix (genitive helikos) "spiral" (see helix) + pteron "wing" (from PIE root *pet- "to rush, to fly").

The idea was to gain lift from spiral aerofoils, and it didn't work. Used by Jules Verne and the Wright Brothers, the word was transferred to helicopters in the modern sense by 1918 when those began to be developed. Nativized in Flemish as wentelwiek "with rotary vanes."

*wel-(3)

Proto-Indo-European root meaning "to turn, revolve," with derivatives referring to curved, enclosing objects.

It might form all or part of: archivolt; circumvolve; convoluted; convolution; devolve; elytra; evolution; evolve; Helicon; helicopter; helix; helminth; lorimer; ileus; involve; revolt; revolution; revolve; valve; vault (v.1) "jump or leap over;" vault (n.1) "arched roof or ceiling;" volte-face; voluble; volume; voluminous; volute; volvox; volvulus; vulva; wale; walk; wallet; wallow; waltz; well (v.) "to spring, rise, gush;" welter; whelk; willow.

It might also be the source of: Sanskrit valate "turns round," ulvam "womb, vulva;" Lithuanian valtis "twine, net," vilnis "wave," apvalus "round;" Old Church Slavonic valiti "roll, welter," vlŭna "wave;" Greek eluein "to roll round, wind, enwrap," eilein "twist, turn, squeeze; revolve, rotate," helix "spiral object;" Latin volvere "to turn, twist;" Gothic walwjan "to roll;" Old English wealwian "roll," weoloc "whelk, spiral-shelled mollusk;" Old High German walzan "to roll, waltz;" Old Irish fulumain "rolling;" Welsh olwyn "wheel."

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    Trends of helix

    adapted from books.google.com/ngrams/ with a 7-year moving average; ngrams are probably unreliable.

    More to explore

    spiral
    "winding around a fixed point or center, arranged like the thread of a screw," 1550s, from French spiral (16c.), from Medieval Latin spiralis "winding around a fixed center, coiling" (mid-13c.), from Latin spira "a coil, fold, twist, spiral," from Greek speira "a winding, a coil
    khan
    title of sovereign princes in Tatar counties, c. 1400, from Turkic, literally "lord, prince," contraction of khaqan "ruler, sovereign." The word has been known in the languages of Europe since 13c.; compare Medieval Latin chanis, Medieval Greek kanes, Old French chan, Russian kha
    curve
    early 15c. (implied in curved), intransitive, "have or assume a curved form," from Latin curvus "crooked, curved, bent," and curvare "to bend," both from PIE root *sker- (2) "to turn, bend." Transitive sense of  "cause to take the shape of a curve, bend" is from 1660s....169
    structure
    mid-15c.; the sense might be "building materials" or "action or process of building or construction," either way it is obsolete. From 1610s as "that which is built, an edifice," especially if large or imposing. It is from Latin structura "a fitting together, adjustment; a buildin
    construction
    late 14c., construccioun, "act of construing; manner of understanding the arrangement of words in translation" (a sense now obsolete), from Latin constructionem (nominative constructio) "a putting or placing together, a building," noun of action from past-participle stem of const
    spare
    Middle English sparren, from Old English sparian, Mercian spearian, "refrain from harming or injury, leave undamaged; be indulgent to, allow to go free; use sparingly," from the source of Old English spær "sparing, frugal," from Proto-Germanic *sparaz (source also of Old Saxon sp
    dominion
    mid-15c., "lordship, sovereign or supreme authority," from Old French dominion "dominion, rule, power" and directly from Medieval Latin dominionem (nominative dominio), corresponding to Latin dominium "property, ownership," from dominus "lord, master," from domus "house" (from PI
    doctor
    c. 1300, doctour, "Church father," from Old French doctour and directly from Medieval Latin doctor "religious teacher, adviser, scholar," in classical Latin "teacher," agent noun from docere "to show, teach, cause to know," originally "make to appear right," causative of decere "
    Peter
    masc. proper name, 12c., from Old English Petrus (genitive Pet(e)res, dative Pet(e)re), from Latin Petrus, from Greek Petros, literally "stone, rock" (see petrous), a translation of Syriac kefa "stone" (Latinized as Cephas), the nickname Jesus gave to apostle Simon Bar-Jona (Matt

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    Dictionary entries near helix
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