Where does “photoclinometer” come from?

photoclinometer (English) comes from English clinometer, 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...

photoclinometer (English): Any of several directional surveying instruments which record photographically the direction and magnitude of well deviations from the vertical

Definitions

  1. Any of several directional surveying instruments which record photographically the direction and magnitude of well deviations from the vertical

Ancestry of “photoclinometer”, step by step

StepLanguageWordMeaning
1EnglishclinometerAn apparatus for measuring a vertical angle, a...
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...
Every word from Proto-Indo-European -tḗrEvery word from Ancient Greek -τρονEvery word from Ancient Greek μέτρον