thespian (adj.) Look up thespian at Dictionary.com
1670s, "of or pertaining to tragedy or dramatic acting," from Greek Thespis, poet of 6c. B.C.E., the traditional father of Greek tragedy. The names is literally "inspired by the gods."
thespian (n.) Look up thespian at Dictionary.com
"an actor," 1827, from thespian (adj.). Short form thesp is attested from 1962.