Where does “тяжесть” come from?
тяжесть (Russian) comes from Russian тя́жкий, from Old East Slavic тѧжькъ, from Proto-Slavic tęžьkъ, from Lithuanian tingus, from Proto-Indo-European tengʰ-, from Proto-Indo-European ten- — to stretch, to extend.
тяжесть (Russian): heaviness; weight; load
Definitions
- heaviness; weight; load