Where does “безценен” come from?

безценен (Bulgarian) comes from Bulgarian цена, from Old Church Slavonic цѣна, from Proto-Slavic cěna, from Proto-Balto-Slavic kainā́ˀ, from Proto-Indo-European kʷoynéh₂, from Proto-Indo-European kʷey- — to pay; to avenge.

безценен (Bulgarian): priceless immensely valuable, favorable, etc

Definitions

  1. priceless immensely valuable, favorable, etc

Ancestry of “безценен”, step by step

StepLanguageWordMeaning
1Bulgarianценаprice, worth, cost, value
2Old Church Slavonicцѣнаprice
3Proto-Slaviccěnaprice; value
4Proto-Balto-Slavickainā́ˀprice
5Proto-Indo-Europeankʷoynéh₂payment; punishment, vengeance
6Proto-Indo-Europeankʷey-to pay; to avenge
Every word from Proto-Indo-European kʷey- →Every word from Proto-Indo-European kʷoynéh₂ →Every word from Proto-Balto-Slavic kainā́ˀ →