Etymograph

English

fluoroscope

From fluoro- + -scope, originally after German Fluorescop.

Formed from fluoro + 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 A device used to measure the fluorescence of a solution.

Language periods are conventional ranges, not dates for this word.

Etymograph / fluoroscope