Where does “photosaturation” come from?

photosaturation (English) comes from English saturation, from Late Latin saturatio, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis-, from Latin calceus — small stone, pebble; gravel, rubble.

photosaturation (English): photochemical or photolytic saturation (a situation in which more light has no additional effect)

Definitions

  1. photochemical or photolytic saturation (a situation in which more light has no additional effect)

Ancestry of “photosaturation”, step by step

photosaturation traces back through two separate lines of ancestry.

via English saturation

StepLanguageWordMeaning
1EnglishsaturationThe act of saturating or the process of being...
2Late Latinsaturatio
3Latin-tiōtion, -ation, -ing
4Latindissertātiō(spoken) dissertation, discourse, disquisition
5Latindissertusarranged, disposed; explained
6Latindissereresecond-person singular future passive indicative...
7Latindis-asunder, apart, in two; reversal, removal;...
8Latincalceusshoe
9Latincalxlimestone; chalk; the finish line
10Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

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 Ancient Greek χάλιξ
photosaturation — Etymology, Origin & Word History | Etymology Explorer