Where does “высокотоксичный” come from?

высокотоксичный (Russian) comes from Russian высо́кий, from Old East Slavic вꙑсокъ, from Proto-Slavic vysokъ, from Proto-Slavic -okъ, from Proto-Slavic -kъ, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

высокотоксичный (Russian): highly toxic

Definitions

  1. highly toxic

Ancestry of “высокотоксичный”, step by step

высокотоксичный traces back through two separate lines of ancestry.

via Russian высо́кий

StepLanguageWordMeaning
1Russianвысо́кийhigh
2Old East Slavicвꙑсокъhigh; tall
3Proto-Slavicvysokъhigh; tall
4Proto-Slavic-okъFrom adjectives, forms a carrier of the...
5Proto-Slavic-kъDeverbal, forms token nouns; From expressive or...
6Proto-Indo-European-kosCreates deadjectival and desubstantival...

via Russian токси́чный

StepLanguageWordMeaning
1Russianтокси́чныйtoxic
Every word from Proto-Indo-European -kosEvery word from Proto-Slavic -kъEvery word from Proto-Slavic -okъ