Where does “тяжеловес” come from?

тяжеловес (Russian) comes from Russian ве́с, from Proto-Slavic vьśь, from Proto-Indo-European weyḱ-, from Proto-Indo-European wey- — to wither; fade; to move, go ahead; to be strong;...

тяжеловес (Russian): heavyweight; draft horse; heavy-duty vehicle

Definitions

  1. heavyweight; draft horse; heavy-duty vehicle

Ancestry of “тяжеловес”, step by step

тяжеловес traces back through two separate lines of ancestry.

via Russian ве́с

StepLanguageWordMeaning
1Russianве́сweight
2Proto-Slavicvьśьall
3Proto-Indo-Europeanweyḱ-to enter in; to settle; settlement
4Proto-Indo-Europeanwey-to wither; fade; to move, go ahead; to be strong;...

via Russian тяжёлый

StepLanguageWordMeaning
1Russianтяжёлыйheavy; difficult, hard; laborious
2Proto-Slavictęželъheavy, weighty
Every word from Proto-Indo-European wey- →Every word from Proto-Indo-European weyḱ- →Every word from Proto-Slavic vьśь →