Meanings
- uncountableThe function, in plants that are adapted to high levels of sunlight, that protects the centres of photosynthesis from damage by excess light, normally by the use of carotenoid pigments
Origin
- Proto-Indo-European*bʰeh₂-
- Proto-Indo-European*bʰéh₂os
- Proto-Hellenic*pʰáwos
- Ancient Greekφᾰ́ος (phắos)
- Ancient Greekφῶς (phôs)
- Ancient Greekφωτο- (phōto-)
- Englishphoto-
- Proto-Indo-European*per-der.?
- Proto-Indo-European*pér
- Proto-Indo-European*pró
- Proto-Indo-European*pro-
- Proto-Italic*pro-
- Latinpro-
- Proto-Indo-European*(s)teg-
- Proto-Indo-European*(s)tégeti
- Proto-Italic*tegō
- Latintegō
- Latinprōtegō
- Late Latinprōtēctiō
- Englishprotection
- Englishphotoprotection
From photo- + protection.
Full word history & related roots →Cite this entry
photoprotection. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/photoprotection
“photoprotection.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photoprotection. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “photoprotection,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/photoprotection.
Source: photoprotection on Wiktionary, CC BY-SA 4.0.