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Origin and history of mainframe

mainframe(n.)

"central processor of a computer system," 1964, from main (adj.) + frame (n.).

also from 1964

Entries linking to mainframe

frame(n.)

c. 1200, "profit, benefit, advancement;" mid-13c. "a structure composed according to a plan," from frame (v.) and in part from Scandinavian cognates (Old Norse frami "advancement"). In late 14c. it also meant "the rack."

Meaning "sustaining parts of a structure fitted together" is from c. 1400. Meaning "enclosing border" of any kind is from c. 1600; specifically "border or case for a picture or pane of glass" from 1660s. The meaning "human body" is from 1590s. Of bicycles, from 1871; of motor cars, from 1900. Meaning "separate picture in a series from a film" is from 1916. From 1660s in the meaning "particular state" (as in Frame of mind, 1711). Frame of reference is 1897, from mechanics and graphing; the figurative sense is attested from 1924.

main(adj.)

early 13c., "notably large, bulky, or strong" (a sense now obsolete), from Old English mægen- "power, strength, force," used in compounds (such as mægensibb "great love," mægenbyrðen "heavy burden;" see main (n.)), probably also in part from or influenced by cognate Old Norse megenn (adj.) "strong, powerful, mighty."

Sense of "chief, principal, prime" is from c. 1400. That of "principal or chief in size or extent" is from 1590s. Main chance "opportunity of enriching oneself" is by 1570s, from the game of hazard. Main course in the meal sense attested from 1829. Main man "favorite male friend; hero" is by 1967, African-American vernacular.

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    cup
    "small vessel used to contain liquids generally; drinking vessel," Old English cuppe, Old Northumbrian copp, from Late Latin cuppa "cup" (source of Italian coppa, Spanish copa, Old French coupe "cup"), from Latin cupa "tub, cask, tun, barrel," which is thought to be cognate with
    computer
    1640s, "one who calculates, a reckoner, one whose occupation is to make arithmetical calculations," agent noun from compute (v.). Meaning "calculating machine" (of any type) is from 1897; in modern use, "programmable digital electronic device for performing mathematical or logica
    central
    1640s, "pertaining to or being a center," also "being that from which other related things proceed," from French central or directly from Latin centralis "pertaining to a center," from centrum (see center (n.)). Centrally is attested perhaps as early as early 15c., which might im
    unit
    1560s, "single number regarded as an undivided whole," alteration of unity on the basis of digit. Popularized in John Dee's English translation of Euclid, to express Greek monas (Dee says unity formerly was used in this sense). Meaning "single thing regarded as a member of a grou
    prodigal
    c. 1500, of persons, "given to extravagant expenditure, lavish, wasteful," a back-formation from prodigality, or else from French prodigal and directly from Late Latin prodigalis, from Latin prodigus "wasteful," from prodigere "drive away, waste," from pro "forth" (from PIE root
    cemetery
    "burial ground, place set aside for burial of the dead," late 14c., cimiterie, from Old French cimetiere "graveyard" (12c.), from Medieval Latin cemeterium, Late Latin coemeterium, from Greek koimeterion "sleeping place, dormitory," from koiman "to put to sleep," keimai "I lie do
    lingerie
    1835 (but not in widespread use until 1852), "linen underwear, especially as made for women," from French lingerie "linen goods, things made of linen," originally "laundry room, linen warehouse, linen shop, linen market" (15c.), also the name of a street in Paris, from linger "a
    bless
    Middle English blessen, from Old English bletsian, bledsian, Northumbrian bloedsian "to consecrate by a religious rite, make holy, give thanks," from Proto-Germanic *blodison "hallow with blood, mark with blood," from *blotham "blood" (see blood (n.)). Originally a blood sprinkli
    month
    "one-twelfth part of a year; one of the twelve parts into which the calendar year is arbitrarily divided," Old English monað, from Proto-Germanic *menoth- (source also of Old Saxon manoth, Old Frisian monath, Middle Dutch manet, Dutch maand, Old High German manod, German Monat, O

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