Where does “островъ” come from?

островъ (Old East Slavic) comes from Proto-Slavic ostrovъ, from Proto-Indo-European strow-.

островъ (Old East Slavic): rock

Definitions

  1. rock

Ancestry of “островъ”, step by step

StepLanguageWordMeaning
1Proto-Slavicostrovъstreamlined; river island; island
2Proto-Indo-Europeanstrow-—

Words derived from “островъ”

Every word from Proto-Indo-European strow- →Every word from Proto-Slavic ostrovъ →
островъ — Etymology, Origin & Word History | Etymology Explorer