Where does “periapical” come from?
Periapical comes from English apex with the prefix peri-, derived from Latin apex meaning "peak" or "summit," from Proto-Indo-European h₂ep-.
periapical (English): Surrounding an apex
Ancestry of “periapical”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | peri | A sprite or supernatural being |
| 2 | Ottoman Turkish | پری | — |
| 3 | Persian | پری | sprite or supernatural being in Iranian/Persian... |
| 4 | Persian | پر | full; feather; wing |
| 5 | Middle Persian | purr | — |
| 6 | Proto-Iranian | pr̥Hnáh | full, filled |
| 7 | Proto-Indo-Iranian | pr̥Hnás | full, filled |
| 8 | Proto-Indo-European | pl̥h₁nós | full |
| 9 | Proto-Indo-European | pleh₁- | to fill |