Where does “ustabeņa” come from?

ustabeņa (Latgalian) comes from Latgalian ustoba, from Old East Slavic истъба, from Proto-Slavic jьstъba, from Proto-Germanic *stubu.

Ancestry of “ustabeņa”, step by step

StepLanguageWordMeaning
1Latgalianustobahouse, hut
2Old East Slavicистъба—
3Proto-Slavicjьstъbaroom
4Proto-Germanic*stubu—
Every word from Proto-Germanic *stubu →