Where does “phototropic” come from?
phototropic (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-.
phototropic (English): Having a tendency to move in response to light....
Definitions
- Having a tendency to move in response to light....
Ancestry of “phototropic”, step by step
phototropic 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 tropic
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | tropic | Either of the two parallels of latitude 23°27′... |
| 2 | French | tropique | tropic |
| 3 | Late Latin | tropicus | of or pertaining to the solstice, as a noun, one... |
| 4 | Ancient Greek | τροπικός | of or pertaining to a turn or change; of or... |
| 5 | Ancient Greek | τροπή | a turning; turning away the enemy, a rout;... |
| 6 | Ancient Greek | -ή | suffix of feminine nouns in the [[Appendix:Ancient Greek first declension |
| 7 | Ancient Greek | -ᾱ | nominal suffix |
| 8 | Proto-Indo-European | -éh₂ | — |