Where does “photointensity” come from?

photointensity (English) comes from English intensity, from English intense, from Middle English intens, from Old French intense, from Latin intēnsus, from Latin intendō, from Latin īn-, from Latin în — in.

photointensity (English): The intensity of (exposure to) light

Definitions

  1. The intensity of (exposure to) light

Ancestry of “photointensity”, step by step

photointensity traces back through two separate lines of ancestry.

via English intensity

StepLanguageWordMeaning
1EnglishintensityThe quality of being intense; The degree of...
2EnglishintenseStrained; tightly drawn; Strict, very close or...
3Middle Englishintens
4Old Frenchintense
5Latinintēnsusintent, eager
6Latinintendōto stretch out; to strain
7Latinīn-un-, non-, not
8Latinînin, at, on, upon, from (space)
9Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
10Proto-Italicenin
11Proto-Indo-Europeanh₁énin

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 Proto-Indo-European h₁én