Where does “tona” come from?

tona (Old Occitan) comes from Proto-Celtic tonnā, from Proto-Indo-European tend-, from Proto-Indo-European temh₂- — to stretch, string; to cut.

Ancestry of “tona”, step by step

StepLanguageWordMeaning
1Proto-Celtictonnā
2Proto-Indo-Europeantend-to stretch, to extend; to split, cut off
3Proto-Indo-Europeantemh₂-to stretch, string; to cut

Words derived from “tona

Every word from Proto-Indo-European temh₂-Every word from Proto-Indo-European tend-Every word from Proto-Celtic tonnā