Where does “lithoscope” come from?

lithoscope (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.

lithoscope (English): An instrument for measuring the refractive...

Definitions

  1. An instrument for measuring the refractive...

Ancestry of “lithoscope”, step by step

lithoscope 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 litho

StepLanguageWordMeaning
1EnglishlithoClipping of lithographic; To lithograph
Every word from Proto-Indo-European speḱ-Every word from Proto-Indo-European spéḱyetiEvery word from Proto-Hellenic sképťomai