Astanei (Romanian) comes from Romanian stână, from Old Church Slavonic стѣна, from Proto-Slavic stěna, from Proto-Balto-Slavic staiˀnāˀ, from Proto-Indo-European stoyh₂-neh₂, from Proto-Indo-European steyh₂-, from Proto-Indo-European steh₂- — to stand.
Ancestry of “Astanei”, step by step
Astanei traces back through two separate lines of ancestry.