Where does “orthotropics” come from?
orthotropics (English) comes from English ortho-, from Ancient Greek ὀρθός, from Proto-Hellenic ortʰwós, from Proto-Indo-European h₃r̥dʰwós, from Proto-Indo-European h₃erdʰ-, from Proto-Indo-European -wós — Creates adjectives from verb stems.
orthotropics (English): an orthodontic method invented by John Mew which is claimed to be able to guide facial growth
Definitions
- an orthodontic method invented by John Mew which is claimed to be able to guide facial growth
Ancestry of “orthotropics”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | ortho- | straight, right, proper; Having an extra... |
| 2 | Ancient Greek | ὀρθός | straight, upright, erect; straight forward, in a... |
| 3 | Proto-Hellenic | ortʰwós | — |
| 4 | Proto-Indo-European | h₃r̥dʰwós | — |
| 5 | Proto-Indo-European | h₃erdʰ- | to increase, grow; upright, high |
| 6 | Proto-Indo-European | -wós | Creates adjectives from verb stems |