Where does “усе́рдствовать” come from?

усе́рдствовать (Russian) comes from Russian усе́рдство, from Russian се́рдце, from Old East Slavic сьрдьце, from Proto-Slavic sьrdьce, from Proto-Balto-Slavic śirˀdís, from Proto-Indo-European ḱḗr — heart.

усе́рдствовать (Russian): to be diligent

Definitions

  1. to be diligent

Ancestry of “усе́рдствовать”, step by step

StepLanguageWordMeaning
1Russianусе́рдствоzeal, diligence, effort, fervour
2Russianсе́рдцеheart
3Old East Slavicсьрдьцеheart
4Proto-Slavicsьrdьceheart
5Proto-Balto-Slavicśirˀdísheart
6Proto-Indo-Europeanḱḗrheart

Words derived from “усе́рдствовать”

Every word from Proto-Indo-European ḱḗr →Every word from Proto-Balto-Slavic śirˀdís →Every word from Proto-Slavic sьrdьce →