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Origin and history of ophthalmoscope

ophthalmoscope(n.)

"instrument for viewing the interior of the eye," especially the retina, 1857 in English; coined 1852 by German physician and physicist Hermann Ludwig Ferdinand von Helmholtz; see ophthalmo- + -scope.

also from 1857

Entries linking to ophthalmoscope

ophthalmo-

before vowels ophthalm-, word-forming element meaning "eye," mostly in plural, "the eyes," from Greek ophthalmos "eye," originally "the seeing," a word of uncertain origin. Perhaps from ōps "eye" (from PIE root *okw- "to see") + a form related to thalamos "inner room, chamber" (see thalamus), giving the whole a sense of "eye and eye socket," but Beekes rejects all this and finds it to be probably Pre-Greek.

-scope

word-forming element indicating "an instrument for seeing," from Late Latin -scopium, from Greek -skopion, from skopein "to look at, examine" (from PIE root *spek- "to observe").

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    solemn
    mid-14c., solemne, solempne, "performed with due religious ceremony or reverence; sacred, devoted to religious observances," also, of a vow, etc., "made under religious sanction, binding," from Old French solempne, solemne (12c., Modern French solennel) and directly from Latin so
    magistrate
    late 14c., "a civil officer in charge of administering laws," also "office or function of a magistrate," from Old French magistrat, from Latin magistratus "a magistrate, public functionary," originally "magisterial rank or office," from magistrare "serve as a magistrate," from ma
    charisma
    1875, "special spiritual gift or power divinely conferred, talent from God" (as on the early Christians in "Acts," etc.), Latinized form of Greek kharisma "favor, divine gift," from kharizesthai "to show favor to," from kharis "grace, beauty, kindness" (Charis was the name of one
    corner
    late 13c., "place where streets or walls meet;" early 14c., "intersection of any two converging lines or surfaces; an angle," from Anglo-French cornere (Old French corner, corniere), from Old French corne "horn; corner," from Vulgar Latin *corna, from Latin cornua, plural of corn
    indict
    formerly also endict, c. 1300, enditen, inditen, "bring formal charges against (someone); accuse of a crime," from Anglo-French enditer "accuse, indict, find chargeable with a criminal offense" (late 13c.), Old French enditier, enditer "to dictate, write, compose; (legally) indic
    crown
    early 12c., coroune, croune, "royal crown, ornament for the head as a symbol of sovereignty," from Anglo-French coroune, Old French corone (13c., Modern French couronne) and directly from Latin corona "crown," originally "wreath, garland," related to Greek korōnē "anything curved
    lotus
    a name given to various plants, not all related or alike, 1540s, from Latin lotus, from Greek lotos, a word used as a name for several plants before it came to mean Egyptian white lotus (a sense attested in English from 1580s). It is perhaps from Semitic (compare Hebrew lot "myrr
    tank
    1610s, "pool or lake for irrigation or drinking water," a word originally brought by the Portuguese from India, from a Hindi source, such as Gujarati tankh "cistern, underground reservoir for water," Marathi tanken, or tanka "reservoir of water, tank." Perhaps it is ultimately fr
    virus
    late 14c., "poisonous substance" (a sense now archaic), from Latin virus "poison, sap of plants, slimy liquid, a potent juice," from Proto-Italic *weis-o-(s-) "poison," which is probably from a PIE root *ueis-, perhaps originally meaning "to melt away, to flow," used of foul or m
    courage
    c. 1300, corage, "heart (as the seat of emotions)," hence "spirit, temperament, state or frame of mind,"from Old French corage "heart, innermost feelings; temper" (12c., Modern French courage), from Vulgar Latin *coraticum (source of Italian coraggio, Spanish coraje), from Latin

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