What does Aylin mean?
Aylin is a Turkish name built on 'ay' ('moon'), usually read as 'moon halo' or 'belonging to the moon.' The moon root is solid, though the exact second element is less certainly glossed.
What does Yildiz mean?
The Turkish word 'yildiz' ('star'). The same word was later applied (as 'Yildun') to a star in Ursa Minor, but as a given name it simply means 'star'.