Where does “sunphotometric” come from?

sunphotometric (English) comes from English photometric, from English metric, from English chronometric, from English -metric, from French -métrique, from Latin metricus, from Latin metrum, from Ancient Greek μέτρον — Derives agent nouns from verbs, denoting someone...

sunphotometric (English): Of or pertaining to sunphotometry

Definitions

  1. Of or pertaining to sunphotometry

Ancestry of “sunphotometric”, step by step

sunphotometric traces back through two separate lines of ancestry.

via English photometric

StepLanguageWordMeaning
1EnglishphotometricOf or relating to photometry or to photometers;...
2EnglishmetricOf or relating to the metric system of...
3EnglishchronometricOf or pertaining to a chronometer or to...
4English-metricForming adjectives corresponding to nouns in...
5French-métrique-metric
6Latinmetricusmetrical; metric, metrical; metric
7Latinmetruma measure
8Ancient Greekμέτρονsomething used to measure: measure, rule, weight;...
9Ancient Greek-τρονForms instrument nouns
10Proto-Hellenic-tronForms instrument nouns from verb stems
11Proto-Indo-European-tromForms nouns denoting a tool or instrument
12Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via English Sun

StepLanguageWordMeaning
1EnglishSunAbbreviation of Sunday
2Middle EnglishsunneAlternative form of sonne; sun
3Old Englishsunnesun
4Proto-West Germanicsunnāsun
5Proto-Germanicsunnǭthe sun
6Proto-Indo-Europeansh̥₂uénsun; the Sun
7Proto-Indo-Europeansóh₂wl̥sun
Every word from Proto-Indo-European -tḗrEvery word from Ancient Greek -τρονEvery word from Ancient Greek μέτρον