Where does “единствено” come from?

единствено (Bulgarian) comes from Bulgarian еди́нствен, from Bulgarian единство, from Bulgarian -ство, from Old Church Slavonic -ьство, from Proto-Slavic -ьstvo, from Proto-Balto-Slavic -istwas.

единствено (Bulgarian): solely

Definitions

  1. solely

Ancestry of “единствено”, step by step

StepLanguageWordMeaning
1Bulgarianеди́нственsole, only
2Bulgarianединствоagreement, unanimity; oneness, unity
3Bulgarian-ство—
4Old Church Slavonic-ьствоforms abstract or collective nouns
5Proto-Slavic-ьstvoDeadjectival, forming nouns denoting a condition...
6Proto-Balto-Slavic-istwas—
Every word from Proto-Balto-Slavic -istwas →Every word from Proto-Slavic -ьstvo →Every word from Bulgarian -ство →