Epiphany
ɐtʃanak siː hjuːi samadʒ jɐ dʒaɪɑːn sʌdən ʌndəstandɪŋ ɔː nɒlɪdʒ
In Hindi Achanak se hui samajh ya gyaan (sudden understanding or knowledge)
A sudden, intuitive perception of or insight into the reality or essential meaning of something, often initiated by a mundane experience.
Example
"She had an epiphany while walking in the park."