It is a combination of two words:
* Sinhala: Refers to the Sinhalese people, the main ethnic group in Sri Lanka.
* Vidusha: Means "wise" or "learned".
The phrase implies that someone is intelligent and knowledgeable, despite not being of Sinhalese origin. It can be used to acknowledge someone's wisdom regardless of their ethnicity or background.
It is important to note that this phrase is often used in a positive and respectful way, highlighting the importance of valuing knowledge and wisdom regardless of one's cultural background.