Where does “болезненность” come from?

болезненность (Russian) comes from Russian боле́зненный, from Russian -е́нный, from Old Church Slavonic -еньнъ.

болезненность (Russian): sickliness, unhealthiness; painfulness

Definitions

  1. sickliness, unhealthiness; painfulness

Ancestry of “болезненность”, step by step

StepLanguageWordMeaning
1Russianболе́зненныйsickly, ailing, unhealthy
2Russian-е́нныйused to form past passive participles from verbs in
3Old Church Slavonic-еньнъ—
Every word from Old Church Slavonic -еньнъ →Every word from Russian -е́нный →Every word from Russian боле́зненный →