Where does “rahsia” come from?

rahsia (Classical Malay) comes from Sanskrit रहस्य, from Proto-Indo-Iranian raȷ́ʰ- — to abandon; secret, mystery; to abandon.

Ancestry of “rahsia”, step by step

StepLanguageWordMeaning
1Sanskritरहस्यsecret, private, clandestine, concealed,...
2Proto-Indo-Iranianraȷ́ʰ-to abandon; secret, mystery; to abandon
Every word from Proto-Indo-Iranian raȷ́ʰ-Every word from Sanskrit रहस्य