Where does “терезвъ” come from?

терезвъ (Old East Slavic) comes from Proto-Slavic terzvъ, from Proto-Slavic -vъ, from Proto-Balto-Slavic *-was, from Proto-Indo-European -wós — Creates adjectives from verb stems.

Ancestry of “терезвъ”, step by step

StepLanguageWordMeaning
1Proto-Slavicterzvъsober
2Proto-Slavic-vъFrom thematic declension of u-stem...
3Proto-Balto-Slavic*-was—
4Proto-Indo-European-wósCreates adjectives from verb stems

Words derived from “терезвъ”

Every word from Proto-Indo-European -wós →Every word from Proto-Slavic -vъ →Every word from Proto-Slavic terzvъ →