Where does “трёхмерный” come from?

трёхмерный (Russian) comes from Russian ме́ра, from Old East Slavic мѣра, from Proto-Slavic měra, from Proto-Balto-Slavic mḗˀrāˀ, from Proto-Indo-European meh₁-reh₂, from Proto-Indo-European meh₁- — to measure.

трёхмерный (Russian): three-dimensional

Definitions

  1. three-dimensional

Ancestry of “трёхмерный”, step by step

StepLanguageWordMeaning
1Russianме́раmeasure
2Old East Slavicмѣра—
3Proto-Slavicměrameasure
4Proto-Balto-Slavicmḗˀrāˀ—
5Proto-Indo-Europeanmeh₁-reh₂—
6Proto-Indo-Europeanmeh₁-to measure
Every word from Proto-Indo-European meh₁- →Every word from Proto-Indo-European meh₁-reh₂ →Every word from Proto-Balto-Slavic mḗˀrāˀ →