English
spectroscope
From spectro- + -scope.
Formed from spectro + scope
Proto-Indo-European *speḱ- ‘to see, to look, to observe’
…
Ancient Greek σκέπτομαι ‘to look at, examine’
Ancient Greek σκοπός ‘watcher, lookout’
Late Latin scopus
Italian scopo ‘purpose’
English scope
Today it means
noun An optical instrument used for spectrographic analysis .
Language periods are conventional ranges, not dates for this word.
Etymograph / spectroscope