Etymology
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catching (adj.)

1580s, of diseases, "communicating, infectious," present-participle adjective from catch (v.). From 1650s as "captivating." Related: Catchingly.

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eye-catching (adj.)
1799, from eye (n.) + present participle of catch (v.). Eye-catcher (n.) is from 1882, first in advertising; eye-trap (n.) is attested from 1785.
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catch (v.)

c. 1200, "to take, capture," from Anglo-French or Old North French cachier "catch, capture" (animals) (Old French chacier "hunt, pursue, drive (animals)," Modern French chasser "to hunt;" making it a doublet of chase (v.)), from Vulgar Latin *captiare "try to seize, chase" (also source of Spanish cazar, Italian cacciare), from Latin captare "to take, hold," frequentative of capere "to take, hold," from PIE root *kap- "to grasp."

Its senses in early Middle English also included "chase, hunt," which later went with chase (v.). Of sleep, etc., from early 14c.; of infections from 1540s; of fire from 1734 (compare Greek apto "fasten, grasp, touch," also "light, kindle, set on fire, catch on fire"). Related: Catched (obsolete); catching; caught.

Meaning "act as a catcher in baseball" recorded from 1865. To catch on "apprehend, understand" is 1884, American English colloquial. To catch the eye "draw the attention" is attested by 1718. Catch as catch can has roots in late 14c. (cacche who that cacche might).

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non-combustible (adj.)

also noncombustible, "incapable, of catching fire,"1804, from non- + combustible.

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rat-catcher (n.)

"one whose business is the catching of rats, a ratter," 1590s, from rat (n.) + catcher.

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sighting (n.)
"instance of catching sight," 1853, verbal noun from sight (v.).
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rat-trap (n.)

"trap for catching rats," late 15c., rat trappe, from rat (n.) + trap (n.).

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latch (n.)
"device for catching and retaining," especially "a fastening for a door," late 13c., probably from latch (v.).
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catchy (adj.)

"having the quality of 'catching' in the mind," 1831, from catch (v.) + -y (2). Considered colloquial at first. Related: Catchiness.

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catch (n.)

late 14c., "device to hold a latch of a door," also "a trap;" also "a fishing vessel," from catch (v.). Meaning "action of catching" attested from 1570s. Meaning "that which is caught or worth catching" (later especially of spouses) is from 1590s. Sense of "hidden cost, qualification, etc.; something by which the unwary may be entrapped" is slang first recorded 1855 in P.T. Barnum.

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