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Origin and history of oculus

oculus(n.)

"an eye," plural oculi, 1857, from Latin oculus "an eye" (from PIE root *okw- "to see").

also from 1857

Entries linking to oculus

*okw-

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

It might form all or part of: amblyopia; antique; antler; atrocity; autopsy; binocle; binocular; biopsy; catoptric; Cyclops; daisy; enoptomancy; eye; eyelet; ferocity; hyperopia; inoculate; inveigle; monocle; monocular; myopia; necropsy; ocular; oculist; oculus; oeillade; ogle; ophthalmo-; optic; optician; optics; optometry; panoptic; panopticon; Peloponnesus; pinochle; presbyopia; prosopopeia; stereopticon; synopsis; triceratops; ullage; wall-eyed; window.

It might also be the source of: Sanskrit akshi "the eye; the number two," Greek osse "(two) eyes," opsis "a sight;" Old Church Slavonic oko, Lithuanian akis, Latin oculus, Greek okkos, Tocharian ak, ek, Armenian akn "eye."

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    eye
    c. 1200, from Old English ege (Mercian), eage (West Saxon) "eye; region around the eye; apperture, hole," from Proto-Germanic *augon (source also of Old Saxon aga, Old Frisian age, Old Norse auga, Swedish öga, Danish øie, Middle Dutch oghe, Dutch oog, Old High German ouga, German
    optic
    late 14c., optik, "of or pertaining to the eye as the organ of vision," from Old French optique, obtique (c. 1300) and directly from Medieval Latin opticus "of sight or seeing," from Greek optikos "of or having to do with sight," from optos "seen, visible," related to ōps "eye,"
    inveigle
    aveugler "delude, make blind," from Vulgar Latin *aboculus "without sight, blind," from Latin ab- "off, away from" (see ab-) + oculus...
    inoculate
    participle of inoculare "graft in, implant a bud or eye of one plant into another," from in- "in" (from PIE root *en "in") + oculus...
    monocle
    from Late Latin monoculus "one-eyed," from Greek monos "single, alone" (from PIE root *men- (4) "small, isolated") + Latin oculus...
    antler
    PIE root *ant- "front, forehead," with derivatives meaning "in front of, before") + ocularis "of the eyes" (from Latin oculus...
    daisy
    In Medieval Latin it was solis oculus "sun's eye." The use of dais eye for "the sun" is attested from early 15c....
    lens
    1690s, "glass to regulate light rays," from Latin lens (genitive lentis) "a lentil," on analogy of the double-convex shape. See lentil. Anatomical use, of the eye part, from 1719. Lens-cap is from 1857. In the vernacular of the photographer, anyone crowding to the front of a gro
    receptor
    mid-15c. (late 13c., Anglo-French), receptour, "a knowing harborer of criminals, heretics, etc.," from Old French receptour or directly from Latin receptor, agent noun from recipere  "to hold, contain" (see receive). Molecular biology sense is from 1900. Compare receiver. A
    so
    Middle English so, from Old English swa, swæ (adv., conj., pron.) "in this way, in such a manner that," also "to that extent; so as, consequently, therefore," and purely intensive; from Proto-Germanic *swa (source also of Old Saxon, Middle Dutch, Old High German so, Old Norse sva

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