Where does “-grade” come from?
-grade (English) comes from Latin gradus, from Proto-Italic graðus, from Proto-Indo-European gʰradʰ-.
Ancestry of “-grade”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Latin | gradus | a step, pace; a stage, degree; a rank |
| 2 | Proto-Italic | graðus | — |
| 3 | Proto-Indo-European | gʰradʰ- | — |