Where does “phototherapic” come from?
phototherapic (English) comes from English phototherapy, from English photo-, from Ancient Greek φωτο-, from Ancient Greek φῶς, from Proto-Hellenic pʰáos, from Proto-Indo-European bʰéh₂os, from Proto-Indo-European bʰeh₂-, from Proto-Indo-European bʰeh₂-s-ri-.
phototherapic (English): Pertaining to phototherapy
Definitions
- Pertaining to phototherapy
Ancestry of “phototherapic”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | phototherapy | The use of light to treat disorders of the skin,... |
| 2 | English | photo- | light, electromagnetic radiation; photography |
| 3 | Ancient Greek | φωτο- | — |
| 4 | Ancient Greek | φῶς | Attic form of φᾰ́ος |
| 5 | Proto-Hellenic | pʰáos | — |
| 6 | Proto-Indo-European | bʰéh₂os | — |
| 7 | Proto-Indo-European | bʰeh₂- | to shine, glow light; to speak, say |
| 8 | Proto-Indo-European | bʰeh₂-s-ri- | — |