The look was inspired by Dutch exotic dancer, courtesan, and the World War I spy Mata Hari.
“I think what she is doing is an abuse of the word ‘courtesan,’” the escort says.
The Girl Who Loved Camellias by Julie Kavanagh The courtesan who seduced Paris—and inspired Dumas and La Traviata.
early 15c., from Middle French courtisane, from Italian cortigiana "prostitute," literally "woman of the court," fem. of cortigiano "one attached to a court," from corte "court," from Latin cortem (see court (n.)).