Where does “gasteņš” come from?

gasteņš (Latgalian) comes from Latgalian gosts, from Proto-Balto-Slavic gastis, from Proto-Indo-European gʰóstis, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

Ancestry of “gasteņš”, step by step

StepLanguageWordMeaning
1Latgaliangostsguest
2Proto-Balto-Slavicgastisguest
3Proto-Indo-Europeangʰóstisstranger, host
4Proto-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 →
gasteņš — Etymology, Origin & Word History | Etymology Explorer