Where does “tennmalm” come from?

tennmalm (Swedish) comes from Swedish malm, from Old Norse malmr, from Proto-Germanic malmaz, from Proto-Indo-European melh₂-, from Proto-Indo-European mel-, from Proto-Indo-European mey- — to strengthen; to bind; to change, exchange.

Ancestry of “tennmalm”, step by step

tennmalm traces back through two separate lines of ancestry.

via Swedish malm

StepLanguageWordMeaning
1Swedishmalmore; an alloy consisting of copper, zinc, lead...
2Old Norsemalmrore, metal
3Proto-Germanicmalmazsand; ore
4Proto-Indo-Europeanmelh₂-to grind, to crush
5Proto-Indo-Europeanmel-soft; tender; weak; to deceive; to rub
6Proto-Indo-Europeanmey-to strengthen; to bind; to change, exchange

via Swedish tenn

StepLanguageWordMeaning
1Swedishtenntin; pewter, an alloy consisting mostly of tin
2Old Swedishten
3Old Norseteinntwig; sprout
4Proto-Germanictainazrod; twig; straw; lot
5Proto-Indo-Europeandoynos
Every word from Proto-Indo-European mey-