What does Ayaan mean?
Etymology is genuinely contested. In the Arabic reading it is linked to the root 'ayn (ع-ي-ن, 'eye, sight'), giving a sense of 'watchful' or 'seeing'. A separate and widely used origin is Somali, where Ayaan means 'good fortune, luck, destiny'. The popular gloss 'gift of God' is often repeated but is weakly supported etymologically.
What does Yusuf mean?
The Arabic form of the prophet Joseph (Yusuf), of Hebrew origin (Yosef), traditionally understood as 'he will add' or 'God shall increase'. The Arabic form itself carries no independent Arabic root meaning; Surah Yusuf is named for him. Also spelled Yousuf, Yousef.