photoallergy

Questions

What does photoallergy mean?

An allergy that is activated by light.

Where does photoallergy come from?

Etymology tree Proto-Indo-European *bʰeh₂- Proto-Indo-European *-os Proto-Indo-European *bʰéh₂os Proto-Hellenic *pʰáwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Ancient Greek φωτο- (phōto-)der. English photo- Proto-Indo-European *h₂el-der. Proto-Indo-European *h₂élyos Proto-Hellenic *ál͏̌l͏̌os Ancient Greek ᾰ̓́λλος (ắllos) Proto-Indo-European *werǵ- Proto-Indo-European *-om Proto-Indo-European *wérǵom Proto-Hellenic *wérgon Ancient Greek ἔργον (érgon) German Allergiebor. English allergy English photoallergy From photo- + allergy.

How to pronounce photoallergy

1. Open the pronunciation page — Open the Speakur entry for “photoallergy”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “photoallergy”.
4. Repeat and practice — Say “photoallergy” aloud, matching stress and vowels until it feels natural.