Etymology
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picture (v.)

"depict or represent pictorially," late 15c. in the literal sense; 1738 in the mental sense of "form an image of in the mind;" from picture (n.). Related: Pictured; picturing.

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motion (n.)

late 14c., mocioun, "process of moving; change of place, continuous variation of position;" also "suggestion, proposal or proposition formally made," from Old French mocion "movement, motion; change, alteration" (13c., Modern French motion) and directly from Latin motionem (nominative motio) "a moving, a motion; an emotion," from past-participle stem of movere "to move" (from PIE root *meue- "to push away").

From c. 1400 in legal sense of "application to a court or judge." To be in motion "in a state of motion" is from c. 1600; to set in motion "set working" is from 1590s. To go through the motions in the figurative sense of "pretend, do in a perfunctory manner" is by 1816 from the notion of "simulate the motions of." Motion picture is attested from 1896; motion sickness by 1942.

Rev. G.S. White said : The Presbytery does not favour the proposition of the Richmond Convention, and thinks the appointment of the Committee unnecessary; yet I suppose, that like the man who had nothing to eat, yet always spread the table, and sat down, and went through the motions—so we, according to our brother, are in honour bound, to appoint the Committee and go through the motions!—[Laughter] [The Presbyterian Magazine, May, 1858]
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motion (v.)

late 15c., "to request, petition" (obsolete), from motion (n.). The sense in parliamentary procedure, "to propose, move" is by 1747; with meaning "to guide or direct by a significant sign, gesture, or movement," as with the hand or head, it is attested from 1787. Related: Motioned; motioning.

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picture (n.)

early 15c., pictur, pictoure, pittour, pectur, "the process or art of drawing or painting," a sense now obsolete; also "a visual or graphic representation of a person, scene, object, etc.," from Latin pictura "painting," from pictus, past participle of pingere "to make pictures, to paint, to embroider," (see paint (v.)).

Picture window is from 1938. Picture post-card is recorded from 1899. Picture-book, "book illustrated with pictures or consisting mostly of pictures," especially one for children, is by 1847. Picture-frame "more or less ornamental border put around a picture to protect it" is from 1660s.

The phrase every picture tells a story is attested from 1900, in advertisements for an illustrated life of Christ. To be in (or out of) the picture in the figurative sense dates to 1900.

The expression a picture is worth a thousand words, attested from 1918, probably originated in the publication trade (the notion that a picture was worth 1,000 words is in printers' publications by 1911). The phrase was used in the form worth a million words by American newspaper editor Arthur Brisbane (1864-1936) in an editorial much-read c. 1916 titled "What is a Good Newspaper" in the "New York Evening Journal." In part it read: "After news and humor come good pictures. In this day of hurry we learn through the eye, and one picture may be worth a million words."

The phrase seems to have emerged into general use via the medium of advertising (which scaled down the number and also gave the expression its spurious origin story as "a Japanese proverb" or some such thing, by 1919). Earlier various acts or deeds (and in one case "the arrow") were said to be worth a thousand words.

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show (v.)

Old English sceawian "to look at, see, gaze, behold, observe; inspect, examine; look for, choose," from Proto-Germanic *skauwojan (source also of Old Saxon skauwon "to look at," Old Frisian skawia, Dutch schouwen, Old High German scouwon "to look at"), from Proto-Germanic root *skau- "behold, look at," from PIE *skou-, variant of root *keu- "to see, observe, perceive."

Causal meaning "let be seen; put in sight, make known" evolved c. 1200 for unknown reasons and is unique to English (German schauen still means "look at"). Spelling shew, popular 18c. and surviving into early 19c., represents obsolete pronunciation (rhymes with view). Horse racing sense is from 1903, perhaps from an earlier sense in card-playing.

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show (n.)

c. 1300, "act of exhibiting to view," from show (v.). Sense of "appearance put on with intention to deceive" is recorded from 1520s. Meaning "display, spectacle" is first recorded 1560s; that of "ostentatious display" is from 1713 (showy is from 1712). Sense of "entertainment program on radio or TV" is first recorded 1932. Meaning "third place in a horse race" is from 1925, American English (see the verb).

Show of hands is attested from 1789; Phrase for show "for appearance's sake" is from c. 1700. Show business is attested from 1850; shortened form show biz used in Billboard magazine from 1942. Actor's creed the show must go on is attested from 1890. Show-stopper is from 1926; show trial is attested by 1937.

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show-off (n.)
1776, "a display;" see show (v.) + off (adv.). From 1801 as "a deliberate and ostentatious display;" in reference to the person who makes such a display, attested from 1924. The verbal phrase is first recorded 1793 as "make a conspicuous and obvious display." Noun showing-off is from 1874.
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show-place (n.)
one much-visited for beauty or fineness, 1794, from show (v.) + place (n.).
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no-show (n.)

also no show, "someone who fails to keep an appointment or claim a reservation," by 1941, from no + show (v.), in the "show up, appear" sense. Originally airline jargon, in reference to the commercial airlines' no-show list, of "people who make reservations, are in a great hurry and say they will pick up their tickets at the field. Then they fail to call in and cancel their seats and never show up at the field." ["Popular Aviation," December 1934]

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show-and-tell (n.)
elementary school teaching tool, 1948, American English.
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