Where does “ting-” come from?

ting- (Proto-Balto-Slavic) comes from Proto-Indo-European tengʰ-, from Proto-Indo-European ten- — to stretch, to extend.

Ancestry of “ting-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeantengʰ-to pull; to be heavy, difficult
2Proto-Indo-Europeanten-to stretch, to extend
Every word from Proto-Indo-European ten- →Every word from Proto-Indo-European tengʰ- →
ting- — Etymology, Origin & Word History | Etymology Explorer