Where does “mégatonne” come from?
mégatonne (French) comes from French tonne, from Latin tunna, from Proto-Celtic tondā, from Proto-Indo-European tend-, from Proto-Indo-European temh₂- — to stretch, string; to cut.
mégatonne (French): megaton
Ancestry of “mégatonne”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | French | tonne | tonne, metric ton; ton; first-person singular... |
| 2 | Latin | tunna | tun, box |
| 3 | Proto-Celtic | tondā | skin; surface, skin |
| 4 | Proto-Indo-European | tend- | to stretch, to extend; to split, cut off |
| 5 | Proto-Indo-European | temh₂- | to stretch, string; to cut |