Where does “Günay” come from?

Günay (Turkish) comes from Turkish gün, from Ottoman Turkish گون, from Proto-Turkic gün — sun, day; day, sun.

Ancestry of “Günay”, step by step

Günay traces back through two separate lines of ancestry.

via Turkish gün

StepLanguageWordMeaning
1Turkishgünsun; daytime; daylight
2Ottoman Turkishگونday; sun; hide, leather
3Proto-Turkicgünsun, day; day, sun

via Turkish Ay

StepLanguageWordMeaning
1TurkishAymoon; Moon
2Ottoman Turkishآیmoon; month
3Old Anatolian Turkishآیْ—
Every word from Proto-Turkic gün →Every word from Ottoman Turkish گون →Every word from Turkish gün →
Günay — Etymology, Origin & Word History | Etymology Explorer