Where does “Megatonne” come from?

Megatonne (German) comes from German Tonne, from Middle High German tunne, from Old High German tunna, from Latin tunna, from Proto-Celtic tondā, from Proto-Indo-European tend-, from Proto-Indo-European temh₂- — to stretch, string; to cut.

Megatonne (German): megaton

Definitions

  1. megaton

Ancestry of “Megatonne”, step by step

StepLanguageWordMeaning
1GermanTonnebarrel, vat, tun, drum; tonne, ton, metric ton;...
2Middle High Germantunne
3Old High Germantunna
4Latintunnatun, box
5Proto-Celtictondāskin; surface, skin
6Proto-Indo-Europeantend-to stretch, to extend; to split, cut off
7Proto-Indo-Europeantemh₂-to stretch, string; to cut
Every word from Proto-Indo-European temh₂-