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Origin and history of scope

scope(n.1)

[extent] 1530s, "room to act, free play," also literal (1550s), "room to move in, space;" from Italian scopo "aim, purpose, object; thing aimed at, mark, target," from Latin scopus, from Greek skopos "aim, target, object of attention;" also "watcher, one who watches," which according to Watkins is from a metathesized form of PIE *spek-yo-, suffixed form of root *spek- "to observe." Beekes writes that the old IE root noun (as in Latin haruspex) from *spek- apparently was replaced in Greek by skopos

It is attested from 1550s as "that which is aimed at or desired," hence "ultimate aim;" the classical sense of "a mark to aim or shoot at" was in English by 1560s but now is obsolete. Hence "object a speaker or writer has in view" (1530s). The sense of "intellectual range, distance the mind can reach" is recorded from c. 1600. By 1590s as "extent in space." By 1830 as "sphere in which some activity operates." Elizabethan scopious "spacious, wide" did not stick.

scope(n.2)

[instrument for viewing] 1872, shortened from telescope, microscope, etc., in which the element (Latinized) is from Greek skopein "to look" (from PIE root *spek- "to observe"). Earlier used as a shortening of horoscope (c. 1600). Extended to radar screens, etc., by 1945 as a shortening of oscilloscope.

scope(v.)

1807, "calculate the scope of," from scope (n.1). The slang meaning "to look at, examine" (often as scope out) is by 1985, from earlier scope out meaning "plan out; comprehend the scope of" taken from the primary sense. Related: Scoped; scoping.

Entries linking to scope

1580s, from Latin haruspex (plural haruspices) "soothsayer by means of entrails," first element from PIE root *ghere- "gut, entrail;" second element from Latin spic- "beholding, inspecting," from PIE *speks "he who sees," from root *spek- "to observe." The practice is Etruscan. Related: Haruspical; haruspication.

"optical instrument which by means of a lens or lenses magnifies and renders visible minute objects or details of visible bodies," 1650s, from Modern Latin microscopium, literally "an instrument for viewing what is small;" see micro- + -scope. The dim southern constellation Microscopium was among those introduced by La Caille in 1752.

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