Where does “photoréactif” come from?
photoréactif (French) comes from French réactif, from French réaction, from Russian реа́кция, from Old French reaction, from Latin reactio, from Latin reago, from Latin rĕ-, from Latin prōdūcō — passed , crossed.
photoréactif (French): photoreactive
Ancestry of “photoréactif”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | French | réactif | reagent; reactive |
| 2 | French | réaction | reaction |
| 3 | Russian | реа́кция | — |
| 4 | Old French | reaction | — |
| 5 | Latin | reactio | reaction |
| 6 | Latin | reago | I act upon again, I do again; I react |
| 7 | Latin | rĕ- | — |
| 8 | Latin | prōdūcō | — |
| 9 | Latin | prō- | — |
| 10 | Proto-Italic | *pro- | — |
| 11 | Proto-Indo-European | pro- | toward, forward |
| 12 | Proto-Indo-European | por- | to give birth; forward, through; going, passage |
| 13 | Proto-Indo-European | per- | before, in front; first; to go through |
| 14 | Proto-Indo-European | pr̥tós | passed , crossed |