Where does “kaivoskaasu” come from?
kaivoskaasu (Finnish) comes from Finnish kaivos, from Finnish kaivaa, from Proto-Finnic kaivadak, from Proto-Uralic kajwa- — dig.
kaivoskaasu (Finnish): firedamp
Ancestry of “kaivoskaasu”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Finnish | kaivos | mine |
| 2 | Finnish | kaivaa | to dig, dig up, dig out, excavate |
| 3 | Proto-Finnic | kaivadak | to dig up, to excavate |
| 4 | Proto-Uralic | kajwa- | dig |