Where does “избы́ток” come from?

избы́ток (Russian) comes from Old Church Slavonic избꙑтъкъ, from Old Church Slavonic избꙑти, from Old Church Slavonic бꙑти, from Proto-Slavic *byti, from Proto-Balto-Slavic bū́ˀtei, from Proto-Indo-European bʰuH- — to become, grow, appear.

избы́ток (Russian): abundance, plenty

Definitions

  1. abundance, plenty

Ancestry of “избы́ток”, step by step

StepLanguageWordMeaning
1Old Church Slavonicизбꙑтъкъremnant, relic
2Old Church Slavonicизбꙑтиto remain, exceed, survive
3Old Church Slavonicбꙑтиto be
4Proto-Slavic*byti—
5Proto-Balto-Slavicbū́ˀteito be
6Proto-Indo-EuropeanbʰuH-to become, grow, appear

Words derived from “избы́ток”

Every word from Proto-Indo-European bʰuH- →Every word from Proto-Balto-Slavic bū́ˀtei →Every word from Proto-Slavic *byti →
избы́ток — Etymology, Origin & Word History | Etymology Explorer