Where does “Buďhost” come from?

Buďhost (Old Czech) comes from Proto-Slavic Bъdigostь, from Proto-Slavic gȍstь, from Proto-Balto-Slavic gastis, from Proto-Indo-European gʰóstis, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

Ancestry of “Buďhost”, step by step

StepLanguageWordMeaning
1Proto-SlavicBъdigostь—
2Proto-Slavicgȍstьguest
3Proto-Balto-Slavicgastisguest
4Proto-Indo-Europeangʰóstisstranger, host
5Proto-Indo-European-tisDerives abstract/action nouns from verb roots
Every word from Proto-Indo-European -tis →Every word from Proto-Indo-European gʰóstis →Every word from Proto-Balto-Slavic gastis →