Where does “کتبخانه” come from?

کتبخانه (Persian) comes from Persian خانه, from Middle Persian 𐭡𐭩𐭲𐭠, from Old Persian *vahanam, from Proto-Iranian *wāhana, from Proto-Iranian Hwah-, from Proto-Indo-Iranian Hwas-, from Proto-Indo-European h₂wes- — to dwell, live, reside; to stay, spend the night.

Ancestry of “کتبخانه”, step by step

کتبخانه traces back through two separate lines of ancestry.

via Persian خانه

StepLanguageWordMeaning
1Persianخانهhouse
2Middle Persian𐭡𐭩𐭲𐭠house
3Old Persian*vahanam
4Proto-Iranian*wāhana
5Proto-IranianHwah-to dwell, remain
6Proto-Indo-IranianHwas-to dwell, inhabit; to stay
7Proto-Indo-Europeanh₂wes-to dwell, live, reside; to stay, spend the night

via Persian کتب

StepLanguageWordMeaning
1Persianکتبplural of کتاب
2Arabicكُتُبbooks

Words derived from “کتبخانه

Every word from Proto-Indo-European h₂wes-Every word from Proto-Indo-Iranian Hwas-Every word from Proto-Iranian Hwah-