Where does “spectrograph” come from?

Spectrograph combines English spectrum and English -graph, derived from Ancient Greek γράφω meaning "to write" and speḱ- meaning "to look," both ultimately from Proto-Indo-European roots.

spectrograph (English): A machine for recording spectra, producing...

Definitions

  1. A machine for recording spectra, producing...

Ancestry of “spectrograph”, step by step

StepLanguageWordMeaning
1Englishspectro-optical spectra
2EnglishSpectrumA range; a continuous, infinite, one-dimensional set, possibly bounded by extremes
3Latinspectrumappearance, image; apparition, specter
4Ancient GreekσκοπέωI look, look at, behold; I examine, inspect; 413...
5Ancient Greekσκοπόςwatcher, lookout; protector, guardian; spy, scout
6Ancient GreekσκέπτομαιI look at, examine; I examine, consider, think
7Proto-Hellenicsképťomaito look at
8Proto-Indo-Europeanspéḱyetito be looking at, to keep looking at
9Proto-Indo-Europeanspeḱ-to see, to look, to observe

Words derived from “spectrograph

Every word from Proto-Indo-European speḱ-