Where does “retroact” come from?
retroact (English) comes from English Act, from English actually, from English actual, from Middle English actual, from Anglo-Norman actuel, from Old French actual, from Latin actuālis, from Latin āctus — to drive.
retroact (English): To act backward, or in return; to act in...
Definitions
- To act backward, or in return; to act in...
Ancestry of “retroact”, step by step
retroact traces back through two separate lines of ancestry.
via English Act
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | Act | — |
| 2 | English | actually | In act or in fact; really; in truth; positively;... |
| 3 | English | actual | relating to a person's acts or deeds; active,... |
| 4 | Middle English | actual | actual, real, true |
| 5 | Anglo-Norman | actuel | — |
| 6 | Old French | actual | — |
| 7 | Latin | actuālis | active, practical |
| 8 | Latin | āctus | made, done, having been done |
| 9 | Latin | agō | to act, to behave |
| 10 | Proto-Italic | agō | drive; push, impel; do, act |
| 11 | Proto-Indo-European | h₂éǵeti | to be driving |
| 12 | Proto-Indo-European | h₂eǵ- | to drive |
via English retro
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | retro | Of, or relating to, the past, past times, or the... |
| 2 | French | rétro | shortening of rétroviseur, mirror; retro |
| 3 | French | rétroviseur | rear-view mirror |
| 4 | French | rétro- | retro-, back, behind |
| 5 | Latin | retrō | back, backwards, behind |
| 6 | Latin | dūcere | — |
| 7 | Proto-Italic | doukō | lead |
| 8 | Proto-Indo-European | déwketi | — |
| 9 | Proto-Indo-European | dewk- | to pull, to draw; to lead |