An erotic actor or erotic actress or a porn star is somebody who appears in pornographic movies. Many actors/actresses may appear nude in films (usually rather briefly) or on stage but even if they depict sexual behavior they are not considered erotic actors. Most erotic actors use stage names.
... with Vedic and Avestan.
The oldest form of Sanskrit is Vedic, in which the Vedas, the earliest Sanskrit texts, were composed. The earliest of the Vedas, the R^igveda, ...