Where does “telephotometer” come from?

telephotometer (English) comes from English photometer, from English -meter, from French mètre, from Latin metrum, from Ancient Greek μέτρον, from Ancient Greek -τρον, from Proto-Hellenic -tron, from Proto-Indo-European -trom — Derives agent nouns from verbs, denoting someone...

telephotometer (English): A kind of photometer that incorporates a...

Definitions

  1. A kind of photometer that incorporates a...

Ancestry of “telephotometer”, step by step

telephotometer traces back through two separate lines of ancestry.

via English photometer

StepLanguageWordMeaning
1EnglishphotometerAny of several instruments used to measure...
2English-meterUsed to form the names of measuring devices
3Frenchmètremetre/meter; first-person singular present...
4Latinmetruma measure
5Ancient Greekμέτρονsomething used to measure: measure, rule, weight;...
6Ancient Greek-τρονForms instrument nouns
7Proto-Hellenic-tronForms instrument nouns from verb stems
8Proto-Indo-European-tromForms nouns denoting a tool or instrument
9Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via English tele

StepLanguageWordMeaning
1EnglishteleAlternative form of telly
2Englishtele-over a distance; television; telegraph
3Ancient Greekτῆλεfar off, afar, far away
4Proto-Indo-Europeankʷelh₁-to move; to turn, go round; turn, become
Every word from Proto-Indo-European -tḗr