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Origin and history of trilobite

trilobite(n.)

extinct marine arthropod of the order Trilobita, 1820, from Modern Latin Trilobites (Walch, 1771), from Greek tri- "three" (see three) + lobos "lobe" (see lobe); so called for the three longitudinal lobes into which its body is divided. Related: Trilobitic. Extinct from the close of the Carboniferous, they are among the largest and most widely known fossils in the extensive Cambrian and Silurian beds of England (compare locust).

also from 1820

Entries linking to trilobite

lobe(n.)

early 15c., "a lobe of the liver or lungs," from Medieval Latin lobus "a lobe," from Late Latin lobus "hull, husk, pod," from Greek lobos "lobe, lap, slip; vegetable pod," used of lap- or slip-like parts of the body or plants, especially "earlobe," but also of lobes of the liver or lungs, a word of unknown origin. It is perhaps related to Greek leberis "husk of fruits," from PIE *logwos. Beekes writes that the proposed connection with the PIE source of English lap (n.1)) "is semantically attractive." Extended 1670s to divisions of the brain; 1889 to ice sheets. The common notion is "rounded protruding part."

locust(n.1)

"grasshopper, large orthopterous insect noted for mass migrations accompanied by destructive ravages of vegetation," early 14c., borrowed earlier in Old French form languste (c. 1200), from Latin locusta "locust; lobster" (see lobster).

In the Hebrew Bible there are nine different names for the insect or for particular species or varieties; in the English Bible they are rendered sometimes 'locust,' sometimes 'beetle,' 'grasshopper,' 'caterpillar,' 'palmerworm,' etc. The precise application of several names is unknown. [OED, 1989]
three(num.)

"1 more than two; the number which is one more than two; a symbol representing this number;" Old English þreo, fem. and neuter (masc. þri, þrie), from Proto-Germanic *thrijiz (source also of Old Saxon thria, Old Frisian thre, Middle Dutch and Dutch drie, Old High German dri, German drei, Old Norse þrir, Danish tre). This is from PIE root *trei- "three" (source also of Sanskrit trayas, Avestan thri, Greek treis, Latin tres, Lithuanian trys, Old Church Slavonic trye, Irish and Welsh tri "three").

3-D (adj.) is attested by 1952, abbreviation of three-dimensional (1878); the three dimensions were so called from late 14c. The clothing three-piece suit is recorded by 1897. The three-martini lunch is attested from 1972.

Three cheers for ______ is recorded from 1751. Three-ring circus is recorded by 1898. Three musketeers translates French les trois mousquetaires, title of the 1844 novel by Alexandre Dumas père.

Three-sixty "complete turnaround" is from 1927, originally among aviators, in reference to the number of degrees in a full circle.

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    lobster
    Trilobite fossils in Worcestershire limestone quarries were known colloquially as locusts, which seems to have been the generic...
    play
    Middle English pleien, from Old English plegan, plegian "move lightly and quickly, occupy or busy oneself, amuse oneself; engage in active exercise; frolic; engage in children's play; make sport of, mock; perform music." It is from Proto-West Germanic *plegōjanan "occupy oneself
    Renaissance
    "great period of revival of classical-based art and learning in Europe that began in the fourteenth century," 1840, from French renaissance des lettres, from Old French renaissance, literally "rebirth," usually in a spiritual sense, from renastre "grow anew" (of plants), "be rebo
    thank
    Old English þancian, þoncian "to give thanks, thank, to recompense, to reward," from Proto-Germanic *thankōjanan (source also of Old Saxon thancon, Old Norse þakka, Danish takke, Old Frisian thankia, Old High German danchon, Middle Dutch, Dutch, German danken "to thank"), from *t
    algorithm
    1690s, "Arabic system of computation," from French algorithme, refashioned (under mistaken connection with Greek arithmos "number") from Old French algorisme "the Arabic numeral system" (13c.), from Medieval Latin algorismus, a mangled transliteration of Arabic al-Khwarizmi "nati
    follow
    Middle English folwen, from Old English folgian, fylgian, fylgan "to accompany (especially as a disciple), move in the same direction as; follow after, pursue, move behind in the same direction," also "obey (a rule or law), conform to, act in accordance with; apply oneself to (a
    tragedy
    late 14c., "play or other serious literary work with an unhappy ending," from Old French tragedie (14c.), from Latin tragedia "a tragedy," from Greek tragodia "a dramatic poem or play in formal language and having an unhappy resolution," apparently literally "goat song," from tra
    conservative
    late 14c., conservatyf, "tending to preserve or protect, preservative, having the power to keep whole or safe," from Old French conservatif, from Medieval Latin conservativus, from Latin conservatus, past participle of conservare "to keep, preserve, keep intact, guard," from assi
    Semite
    1847, "a Jew, Arab, Assyrian, or Aramaean" (an apparently isolated use from 1797 refers to the Semitic language group), back-formation from Semitic or else from French Sémite (1845), from Modern Latin Semita, from Late Latin Sem, Greek Sēm "Shem," one of the three sons of Noah (G
    twilight
    "light from the sky when the sun is below the horizon at morning and evening," late 14c. (twilighting), a compound of twi- + light (n.) Cognate with Middle Flemish twilicht, Dutch tweelicht (16c.), Middle High German twelicht, German zwielicht. Exact connotation of twi- in this w

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