Where does “естествознание” come from?

естествознание (Russian) comes from Russian естество́, from Church Slavonic естьство, from Ancient Greek οὐσία, from Ancient Greek εἰμί, from Proto-Hellenic ehmi, from Proto-Indo-European h₁ésmi, from Proto-Indo-European h₁ēs- — to be.

естествознание (Russian): natural science; natural history

Definitions

  1. natural science; natural history

Ancestry of “естествознание”, step by step

естествознание traces back through two separate lines of ancestry.

via Russian естество́

StepLanguageWordMeaning
1Russianестество́nature, essence
2Church Slavonicестьство
3Ancient Greekοὐσίαthat which is one's own, one's substance,...
4Ancient GreekεἰμίTo be, exist; live; To be; it is possible
5Proto-Hellenicehmito be
6Proto-Indo-Europeanh₁ésmifirst-person singular present indicative of...
7Proto-Indo-Europeanh₁ēs-to be

via Russian зна́ние

StepLanguageWordMeaning
1Russianзна́ниеknowledge
2Russianзна́тьto know: to be familiar with or accustomed to a person, place, or thing
3Old Russianзнати
4Proto-Slavicznatito know
5Proto-Balto-Slavicźnōˀteito know
6Proto-Indo-Europeanǵnéh₃tto know; to get to know, to meet
7Proto-Indo-Europeanǵneh₃-to know
Every word from Proto-Indo-European h₁ēs-Every word from Proto-Indo-European h₁ésmiEvery word from Proto-Hellenic ehmi