Where does “photospectrometer” come from?

photospectrometer (English) comes from English spectrometer, from English spectro-, from English Spectrum, from Latin spectrum, from Ancient Greek σκοπέω, from Ancient Greek σκοπός, from Ancient Greek σκέπτομαι, from Proto-Hellenic sképťomai — to see, to look, to observe.

Ancestry of “photospectrometer”, step by step

photospectrometer traces back through two separate lines of ancestry.

via English spectrometer

StepLanguageWordMeaning
1EnglishspectrometerAn optical instrument for measuring the...
2Englishspectro-optical spectra
3EnglishSpectrumA range; a continuous, infinite, one-dimensional set, possibly bounded by extremes
4Latinspectrumappearance, image; apparition, specter
5Ancient GreekσκοπέωI look, look at, behold; I examine, inspect; 413...
6Ancient Greekσκοπόςwatcher, lookout; protector, guardian; spy, scout
7Ancient GreekσκέπτομαιI look at, examine; I examine, consider, think
8Proto-Hellenicsképťomaito look at
9Proto-Indo-Europeanspéḱyetito be looking at, to keep looking at
10Proto-Indo-Europeanspeḱ-to see, to look, to observe

via English photo

StepLanguageWordMeaning
1EnglishphotoA photograph; A photo finish; To take a...
2EnglishphotographyThe art and technology of producing images on...
3Frenchphotographiephotography; photograph
4Ancient Greekφωτο-
5Ancient GreekφῶςAttic form of φᾰ́ος
6Proto-Hellenicpʰáos
7Proto-Indo-Europeanbʰéh₂os
8Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
9Proto-Indo-Europeanbʰeh₂-s-ri-
Every word from Proto-Indo-European speḱ-
photospectrometer — Etymology, Origin & Word History | Etymology Explorer