Wednesday, 5 December 2012

periscope=بيريسكوب


periscope=بيريسكوب
ONLINE ETYMOLOGY DICTIONARY:
periscope (n.)
viewing apparatus on a submarine, 1899, formed in English from peri- "around" + -scope "instrument for viewing." Earlier (1865) a technical term in photography. Related: Periscopic.


peri-
word-forming element meaning "around, about, enclosing," from Gk. peri (prep.) "around, about, beyond," cognate with Skt. pari "around, about, through," L. per (see per).
-scope
word-forming element indicating "an instrument for seeing," from L.L. -scopium, from Gk. -skopion, from skopein "to look at, examine" (see scope (n.1)).

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