Where does “tonne” come from?

tonne (Middle Dutch) comes from Latin tunna, from Proto-Celtic tondā, from Proto-Indo-European tend-, from Proto-Indo-European temh₂- — to stretch, string; to cut.

Ancestry of “tonne”, step by step

StepLanguageWordMeaning
1Latintunnatun, box
2Proto-Celtictondāskin; surface, skin
3Proto-Indo-Europeantend-to stretch, to extend; to split, cut off
4Proto-Indo-Europeantemh₂-to stretch, string; to cut

Words derived from “tonne”

Every word from Proto-Indo-European temh₂- →Every word from Proto-Indo-European tend- →Every word from Proto-Celtic tondā →