Where does “tinkere” come from?

tinkere (Middle English) comes from Old English tincere, from Old English tin, from Proto-West Germanic *tin, from Proto-Germanic tiną, from Proto-Indo-European dinom.

Ancestry of “tinkere”, step by step

StepLanguageWordMeaning
1Old Englishtincerea worker of tin
2Old Englishtintin
3Proto-West Germanic*tintin metal
4Proto-Germanictinątin
5Proto-Indo-Europeandinom—
Every word from Proto-Indo-European dinom →Every word from Proto-Germanic tiną →Every word from Proto-West Germanic *tin →