Where does “phototherapeutic” come from?
phototherapeutic (English) comes from English photo, from English photography, from French photographie, from Ancient Greek φωτο-, from Ancient Greek φῶς, from Proto-Hellenic pʰáos, from Proto-Indo-European bʰéh₂os, from Proto-Indo-European bʰeh₂-.
phototherapeutic (English): Pertaining to phototherapy
Definitions
- Pertaining to phototherapy
Ancestry of “phototherapeutic”, step by step
phototherapeutic traces back through two separate lines of ancestry.
via English photo
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | photo | A photograph; A photo finish; To take a... |
| 2 | English | photography | The art and technology of producing images on... |
| 3 | French | photographie | photography; photograph |
| 4 | Ancient Greek | φωτο- | — |
| 5 | Ancient Greek | φῶς | Attic form of φᾰ́ος |
| 6 | Proto-Hellenic | pʰáos | — |
| 7 | Proto-Indo-European | bʰéh₂os | — |
| 8 | Proto-Indo-European | bʰeh₂- | to shine, glow light; to speak, say |
| 9 | Proto-Indo-European | bʰeh₂-s-ri- | — |
via English therapeutic
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | therapeutic | Of, or relating to therapy; Having a positive... |
| 2 | New Latin | therapeuticus | curing, healing |
| 3 | Ancient Greek | θεραπευτικός | attentive, helpful, obliging, curative |
| 4 | Ancient Greek | θεραπευτής | One who waits upon another; attendant |
| 5 | Ancient Greek | -τής | Appended to verbs to form agent nouns |
| 6 | Ancient Greek | πεῖρα | trial, experiment, attempt |
| 7 | Proto-Indo-European | per- | before, in front; first; to go through |
| 8 | Proto-Indo-European | pr̥tós | passed , crossed |