Where does “photoprotector” come from?

photoprotector (English) comes from English protector, from Middle English protectour, from Anglo-Norman protectour, from Latin prōtector, from Latin prōtegō, from Latin prō, from Latin ratus, from Latin rēōr — to fit, to fix, to put together.

photoprotector (English): A photoprotective substance

Definitions

  1. A photoprotective substance

Ancestry of “photoprotector”, step by step

photoprotector traces back through two separate lines of ancestry.

via English protector

StepLanguageWordMeaning
1EnglishprotectorSomeone who protects or guards, by assignment or...
2Middle Englishprotectour
3Anglo-Normanprotectourprotector
4Latinprōtectorprotector (all senses)
5Latinprōtegōto cover
6Latinprōfor
7Latinratusconsidered, having been considered; established,...
8Latinrēōrto reckon, calculate
9Proto-Italicrēōrto reckon, to calculate; to think, to deem, to...
10Proto-Indo-Europeanh₂reh₁-to think, reason; to arrange
11Proto-Indo-Europeanh₂er-to fit, to fix, to put together

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 h₂er-Every word from Proto-Indo-European h₂reh₁-Every word from Proto-Italic rēōr