Where does “-ивъ” come from?

-ивъ (Old Church Slavonic) comes from Proto-Slavic -ivъ, from Proto-Slavic -vъ, from Proto-Balto-Slavic *-was, from Proto-Indo-European -wós — Creates adjectives from verb stems.

-ивъ (Old Church Slavonic): y, -ous, etc. (Used to form adjectives from nouns and verbs, with the meaning "having the characteristic of X".)

Definitions

  1. y, -ous, etc. (Used to form adjectives from nouns and verbs, with the meaning "having the characteristic of X".)

Ancestry of “-ивъ”, step by step

StepLanguageWordMeaning
1Proto-Slavic-ivъ—
2Proto-Slavic-vъFrom thematic declension of u-stem...
3Proto-Balto-Slavic*-was—
4Proto-Indo-European-wósCreates adjectives from verb stems
Every word from Proto-Indo-European -wós →Every word from Proto-Slavic -vъ →Every word from Proto-Slavic -ivъ →