Where does “tonelada métrica” come from?
tonelada métrica (Portuguese) comes from Portuguese tonel, from Old Portuguese tonel, from Old French tonel, from Old French tone, from Late Latin tunna, from Proto-Celtic tunna — hide, skin.
tonelada métrica (Portuguese): metric ton, ton megagram
Ancestry of “tonelada métrica”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Portuguese | tonel | vat; tun; tun |
| 2 | Old Portuguese | tonel | cask |
| 3 | Old French | tonel | barrel |
| 4 | Old French | tone | large barrel |
| 5 | Late Latin | tunna | tun, box |
| 6 | Proto-Celtic | tunna | hide, skin |