Where does “airdemhéadar” come from?
airdemhéadar (Irish) comes from Irish airde, from Old Irish ardae, from Old Irish ard, from Proto-Celtic ardwos, from Proto-Indo-European h₃erdʰwós, from Proto-Indo-European h₃erdʰ-, from Proto-Indo-European -wós — Creates adjectives from verb stems.
airdemhéadar (Irish): altimeter
Ancestry of “airdemhéadar”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Irish | airde | height; elevation; altitude |
| 2 | Old Irish | ardae | — |
| 3 | Old Irish | ard | high; height |
| 4 | Proto-Celtic | ardwos | high |
| 5 | Proto-Indo-European | h₃erdʰwós | — |
| 6 | Proto-Indo-European | h₃erdʰ- | to increase, grow; upright, high |
| 7 | Proto-Indo-European | -wós | Creates adjectives from verb stems |