Where does “روشنی” come from?

روشنی (Persian) comes from Persian روشن, from Middle Persian lwšn', from Old Persian *rauxšnā, from Proto-Iranian ráwxšnaH, from Proto-Indo-Iranian ráwkšnaH, from Proto-Indo-European lówksneh₂, from Proto-Indo-European lewḱ-, from Proto-Indo-European lewk- — bright; to shine; to see.

روشنی (Persian): brightness; clearness; clarity

Definitions

  1. brightness; clearness; clarity

Ancestry of “روشنی”, step by step

روشنی traces back through two separate lines of ancestry.

via Persian روشن

StepLanguageWordMeaning
1Persianروشنlight; lit; alight
2Middle Persianlwšn'bright
3Old Persian*rauxšnālight
4Proto-IranianráwxšnaHlight, brightness
5Proto-Indo-IranianráwkšnaH
6Proto-Indo-Europeanlówksneh₂moon
7Proto-Indo-Europeanlewḱ-lynx
8Proto-Indo-Europeanlewk-bright; to shine; to see

via Persian ـی

StepLanguageWordMeaning
1PersianـیForms nouns or adjectives from nouns; Forms...
2Middle Persian-yk'
3Old Persian-𐎡𐎣of, pertaining to, belonging to, related to
4Proto-Indo-Iranian-kasCreates deadjectival and desubstantival...
5Proto-Indo-European-ḱos-y, -ic
Every word from Proto-Indo-European lewk-Every word from Proto-Indo-European lewḱ-Every word from Proto-Indo-European lówksneh₂