Origin and history of specimen

specimen(n.)

1610s, "pattern, model," a sense now obsolete, from Latin specimen "indication, mark, example, sign, evidence; that by which a thing is known, means of knowing," from specere "to look at" (from PIE root *spek- "to observe").

The meaning "single thing regarded as typical of its kind, part or individual taken as exemplifying many" is recorded by 1650s, specifically of plants, animals, minerals from 1765. Compare species. Related: Speciminal.

Specimens are becoming fashionable. We have 'Specimens of 'Ancient English Poets,' 'Specimens of Modern English Poets,' 'Specimens of Ancient English Prose Writers,' without end. They used to be called 'Beauties.' You have seen 'Beauties of Shakespeare:' so have many people that never saw any beauties in Shakespeare. [Charles Lamb, letter, 1808]

also from 1610s

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species(n.)

late 14c., in logic, "a class of individuals or things," from Latin species "a particular sort, kind, or type" (opposed to genus), originally "a sight, look, view; outward appearance, shape, form," a derivative of specere "to look at, to see, behold" (from PIE root *spek- "to observe"). In English it is attested from 1550s as "appearance, outward form."

Latin species "a sight; outward appearance" had many extended senses, including "a spectacle; a mental appearance, an idea or notion;" also "semblance, pretext; manner, fashion; display, beauty; a likeness or statue; reputation, honor." Typically it was used in passive senses. Also compare spice (n.).

In Late Latin, in logic and legal language, it acquired the meaning "a special case," especially (as a translation of Greek eidos) "a class included under a higher class; a kind; a sort; a number of individuals having common characteristics peculiar to them." The notion (as Lewis & Short puts it) is "The particular thing among many to which the looks are turned."

The English word is attested from 1560s as "a distinct class (of something) based on common characteristics." The specific use in biological sciences in reference to groups of living things recognizably distinct from all others by their inherited characteristics is from c. 1600, but the exact definition never has been settled.

*spek-

Proto-Indo-European root meaning "to observe."

It might form all or part of: aspect; auspex; auspices; auspicious; bishop; circumspect; conspicuous; despicable; despise; episcopal; especial; espionage; espy; expect; frontispiece; gyroscope; haruspex; horoscope; inspect; inspection; inspector; introspect; introspection; perspective; perspicacious; perspicacity; prospect; prospective; respect; respite; retrospect; scope; -scope; scopophilia; -scopy; skeptic; species; specimen; specious; spectacle; spectacular; spectrum; speculate; speculation; speculum; spice; spy; suspect; suspicion; suspicious; telescope.

It might also be the source of: Sanskrit spasati "sees;" Avestan spasyeiti "spies;" Greek skopein "behold, look, consider," skeptesthai "to look at," skopos "watcher, one who watches;" Latin specere "to look at;" Old High German spehhon "to spy," German spähen "to spy."