Where does “естественнонаучный” come from?

естественнонаучный (Russian) comes from Russian есте́ственный — natural relating to nature.

естественнонаучный (Russian): natural science; natural scientific

Definitions

  1. natural science; natural scientific

Ancestry of “естественнонаучный”, step by step

естественнонаучный traces back through two separate lines of ancestry.

via Russian есте́ственный

StepLanguageWordMeaning
1Russianесте́ственныйnatural relating to nature

via Russian нау́чный

StepLanguageWordMeaning
1Russianнау́чныйscientific
Every word from Russian есте́ственный