Where does “photoradiometer” come from?

photoradiometer (English) comes from English radiometer, from English radio, from English radiotelegraphy, from English telegraphy, from English Telegraph, from French télégraphe, from French télé-, from Ancient Greek τῆλε.

photoradiometer (English): A device that is used to measure the penetration power of ionizing radiation

Definitions

  1. A device that is used to measure the penetration power of ionizing radiation

Ancestry of “photoradiometer”, step by step

photoradiometer traces back through two separate lines of ancestry.

via English radiometer

StepLanguageWordMeaning
1EnglishradiometerA device that measures radiant energy
2EnglishradioThe technology that allows for the transmission...
3EnglishradiotelegraphyThe process and techniques of sending telegrams...
4Englishtelegraphycommunication at a distance by means of the...
5EnglishTelegraphany process for transmitting arbitrarily long messages over a long distance using a symbolic code
6Frenchtélégraphetelegraph
7Frenchtélé-tele-
8Ancient Greekτῆλεfar off, afar, far away
9Latincommūnicāre
10Latincommūniscommon, commonplace, ordinary, general, universal, shared, shared alike, of both sides, belonging to two or more together
11Old Latincom(m)oinis
12Proto-Italickommoiniscommon
13Proto-Indo-Europeanḱom-moy-ni-held in common
14Proto-Indo-Europeanḱómbeside, near, by, with
15Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
16Middle Englishkyt

via English photo

StepLanguageWordMeaning
1EnglishphotoA photograph; A photo finish; To take a...
2EnglishphotographyThe art and technology of producing images on...
3Frenchphotographiephotography; photograph
4Ancient Greekφωτο-
5Ancient GreekφῶςAttic form of φᾰ́ος
6Proto-Hellenicpʰáos
7Proto-Indo-Europeanbʰéh₂os
8Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
9Proto-Indo-Europeanbʰeh₂-s-ri-
Every word from Middle English kyt