Where does “истрајност” come from?

истрајност (Macedonian) comes from Macedonian -ост, from Proto-Slavic -ostь — Used with adjectival stems to form abstract...

истрајност (Macedonian): durability, persistence

Definitions

  1. durability, persistence

Ancestry of “истрајност”, step by step

StepLanguageWordMeaning
1Macedonian-остAppended to adjectives and verbs to create a...
2Proto-Slavic-ostьUsed with adjectival stems to form abstract...
Every word from Proto-Slavic -ostьEvery word from Macedonian -ост