sou·brette 
(s-brĕt)
(s-brĕt)n.
1.
a. A saucy, coquettish, intriguing maidservant in comedies or comic opera.
b. An actress or a singer taking such a part.
2. A young woman regarded as flirtatious or frivolous.
[French, from Provençal soubreto, feminine of soubret, conceited, from soubra, to leave aside, from Old Provençal sobrar, to be excessive, from Latin superāre, from super, above; see uper in the Appendix of Indo-European roots.]