Where does “Göksu” come from?

Göksu (Turkish) comes from Turkish su, from French soutache, from Hungarian sujtás, from Hungarian -ás — Added to a verb to form a noun.

Ancestry of “Göksu”, step by step

Göksu traces back through two separate lines of ancestry.

via Turkish su

StepLanguageWordMeaning
1Turkishsuwater; juice
2Frenchsoutache
3Hungariansujtássoutache
4Hungarian-ásAdded to a verb to form a noun

via Turkish gök

StepLanguageWordMeaning
1Turkishgöksky; blue
2Ottoman Turkishگوكsky; light blue, azure
3Old Anatolian Turkishكوكblue
4Proto-Turkickökroot
Every word from Hungarian -ás