Where does “вполсилы” come from?

вполсилы (Russian) comes from Russian си́ла, from Proto-Slavic sila, from Proto-Balto-Slavic séiˀlāˀ, from Proto-Indo-European seh₂i-l-eh₂, from Proto-Indo-European sh₂ey-, from Proto-Indo-European seh₂- — to satiate, satisfy.

вполсилы (Russian): at half strength

Definitions

  1. at half strength

Ancestry of “вполсилы”, step by step

StepLanguageWordMeaning
1Russianси́лаforce; strength
2Proto-Slavicsilastrength, force
3Proto-Balto-Slavicséiˀlāˀstrength, force; soul
4Proto-Indo-Europeanseh₂i-l-eh₂—
5Proto-Indo-Europeansh₂ey-to bind, fetter
6Proto-Indo-Europeanseh₂-to satiate, satisfy
Every word from Proto-Indo-European seh₂- →Every word from Proto-Indo-European sh₂ey- →Every word from Proto-Indo-European seh₂i-l-eh₂ →