Where does “periodoscope” come from?

periodoscope (English) comes from English scope, from Italian scopo, from Latin scopus, from Ancient Greek σκοπός, from Ancient Greek σκέπτομαι, from Proto-Hellenic sképťomai, from Proto-Indo-European spéḱyeti, from Proto-Indo-European speḱ- — to see, to look, to observe.

periodoscope (English): A table or other means of calculating the...

Definitions

  1. A table or other means of calculating the...

Ancestry of “periodoscope”, step by step

periodoscope traces back through two separate lines of ancestry.

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

via English period

StepLanguageWordMeaning
1EnglishperiodA length of time; A period of time in history...
2Middle Englishperiode
3Middle Frenchperiode
4Latinperiodusa complete sentence; period; the circuit of the...
5Ancient Greekπερίοδοςgoing round in a circle, flank march;...
6Ancient Greekὁδόςthreshold; road, path, way; journey, trip,...
7Proto-Hellenic*hodós
Every word from Proto-Indo-European speḱ-Every word from Proto-Indo-European spéḱyetiEvery word from Proto-Hellenic sképťomai