Where does “убийственный” come from?

убийственный (Russian) comes from Russian уби́йство, from Bulgarian -ство, from Old Church Slavonic -ьство, from Proto-Slavic -ьstvo, from Proto-Balto-Slavic -istwas.

убийственный (Russian): killing; murderous, deadly

Definitions

  1. killing; murderous, deadly

Ancestry of “убийственный”, step by step

StepLanguageWordMeaning
1Russianуби́йствоmurder, homicide
2Bulgarian-ство—
3Old Church Slavonic-ьствоforms abstract or collective nouns
4Proto-Slavic-ьstvoDeadjectival, forming nouns denoting a condition...
5Proto-Balto-Slavic-istwas—
Every word from Proto-Balto-Slavic -istwas →Every word from Proto-Slavic -ьstvo →Every word from Bulgarian -ство →
убийственный — Etymology, Origin & Word History | Etymology Explorer