Where does “phototreatment” come from?
phototreatment (English) comes from English treatment, from English treat, from Middle English treten, from Old French tretier, from Latin tractāre, from Latin tractō, from Latin -tō, from Latin -tus — Derives action nouns from verb roots.
phototreatment (English): The treatment of waste water with ultraviolet light
Definitions
- The treatment of waste water with ultraviolet light
Ancestry of “phototreatment”, step by step
phototreatment traces back through two separate lines of ancestry.
via English treatment
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | treatment | The process or manner of treating someone or... |
| 2 | English | treat | To negotiate, discuss terms, bargain; To... |
| 3 | Middle English | treten | — |
| 4 | Old French | tretier | — |
| 5 | Latin | tractāre | — |
| 6 | Latin | tractō | to tug, drag or haul |
| 7 | Latin | -tō | Forms here |
| 8 | Latin | -tus | Forms the past participle of verbs; Forms... |
| 9 | Proto-Italic | -tus | — |
| 10 | Proto-Indo-European | -tus | Derives action nouns from verb roots |
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- | — |