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 Rayan mean?
A common transliteration variant of Rayyan, from the root r-w-y (ر-و-ي), meaning 'well-watered, luxuriant, lush', and associated with Ar-Rayyan, a gate of Paradise. Spelled Rayan, Rayyan or Raiyan.