Where does “Сайвански” come from?

Сайвански (Bulgarian) comes from Bulgarian сайван, from Ottoman Turkish صایوان, from Persian سایبان, from Persian سایه, from Proto-Indo-European (s)ḱeh₃ih₂, from Proto-Indo-European (s)ḱeh₃- — darkness, shadow.

Ancestry of “Сайвански”, step by step

StepLanguageWordMeaning
1Bulgarianсайван
2Ottoman Turkishصایوانawning, canopy, overhang, marquee, a cover extended over a place as a shelter from sun or rain
3Persianسایبانshade (of a tree or foliage)
4Persianسایهshadow
5Proto-Indo-European(s)ḱeh₃ih₂shadow, shade
6Proto-Indo-European(s)ḱeh₃-darkness, shadow
Every word from Proto-Indo-European (s)ḱeh₃-Every word from Proto-Indo-European (s)ḱeh₃ih₂Every word from Persian سایه