Where does “periscope” come from?

Periscope comes from English -scope, from Ancient Greek σκοπέω, from Ancient Greek σκοπός, from Ancient Greek σκέπτομαι, ultimately from Proto-Indo-European speḱ-, meaning to observe or perceive.

periscope (English): A form of viewing device that allows the viewer...

Definitions

  1. A form of viewing device that allows the viewer...

Ancestry of “periscope”, step by step

periscope traces back through two separate lines of ancestry.

via English peri

StepLanguageWordMeaning
1EnglishperiA sprite or supernatural being
2Ottoman Turkishپریfairy
3Persianپریsprite or supernatural being in Iranian/Persian...
4Persianپرfull; feather; wing
5Middle Persianpurr
6Proto-Iranianpr̥Hnáhfull, filled
7Proto-Indo-Iranianpr̥Hnásfull, filled
8Proto-Indo-Europeanpl̥h₁nósfull
9Proto-Indo-Europeanpleh₁-to fill

via English scope

StepLanguageWordMeaning
1EnglishscopeThe breadth, depth or reach of a subject; a...
2Italianscopoaim, end, goal; first-person singular present...
3Latinscopusa target
4Ancient Greekσκοπόςwatcher, lookout; protector, guardian; spy, scout
5Ancient GreekσκέπτομαιI look at, examine; I examine, consider, think
6Proto-Hellenicsképťomaito look at
7Proto-Indo-Europeanspéḱyetito be looking at, to keep looking at
8Proto-Indo-Europeanspeḱ-to see, to look, to observe

Words derived from “periscope

Every word from Proto-Indo-European pleh₁-