- scope (n.1)
- "extent," 1530s, "room to act," from Italian scopo "aim, purpose, object, thing aimed at, mark, target," from Latin scopus, from Greek skopos "aim, target, object of attention; watcher, one who watches" from metathesized form of PIE *spek-yo-, from root *spek- "to observe" (source also of Sanskrit spasati "sees;" Avestan spasyeiti "spies;" Greek skopein "behold, look, consider," skeptesthai "to look at;" Latin specere "to look at;" Old High German spehhon "to spy," German spähen "to spy"). Sense of "distance the mind can reach, extent of view" first recorded c. 1600.
- scope (n.2)
- "instrument for viewing," 1872, abstracted from telescope, microscope, etc., from Greek skopein "to look" (see scope (n.1)). Earlier used as a shortening of horoscope (c. 1600).
- scope (v.)
- "to view," 1807, from the source of scope (n.2). Related: Scoped; scoping.