English word periscope comes from English peri- (a word of Ancient Greek origin, meaning around or surrounding, near) and English -scope (another word of Ancient Greek origin, denoting an instrument for viewing)
| Dictionary entry | Language | Definition |
|---|---|---|
| peri- | English (en) | Around or surrounding:. Near:. |
| -scope | English (en) | Used to make terms denoting an instrument used for viewing or examination. |
| periscope | English (en) | (obsolete) : A general or comprehensive view.. A form of viewing device that allows the viewer to see things at a different height level and usually with minimal visibility. (intransitive) To rise and peer around, in the manner of a periscope.. (transitive, or, intransitive, Internet) To broadcast live video stream using Periscope (app) app via phone or tablet. |