Where does “ледоруб” come from?

ледоруб (Russian) comes from Russian лёд, from Old East Slavic ледъ, from Proto-Slavic lȇdъ, from Proto-Balto-Slavic ledús, from Proto-Indo-European ledʰ-u-s, from Proto-Indo-European ledʰ- — ice.

ледоруб (Russian): ice axe, piolet

Definitions

  1. ice axe, piolet

Ancestry of “ледоруб”, step by step

ледоруб traces back through two separate lines of ancestry.

via Russian лёд

StepLanguageWordMeaning
1Russianлёдice
2Old East Slavicледъice
3Proto-Slaviclȇdъice
4Proto-Balto-Slavicledúswater in frozen form; ice
5Proto-Indo-Europeanledʰ-u-s
6Proto-Indo-Europeanledʰ-ice

via Russian руби́ть

StepLanguageWordMeaning
1Russianруби́тьto cut, hack, axe; to chop
Every word from Proto-Indo-European ledʰ-Every word from Proto-Indo-European ledʰ-u-sEvery word from Proto-Balto-Slavic ledús