noun, feminine/fa.m(ə) də p(ə).tit vɛʁ.ty/plural: femmes de petite vertu
loose woman, strumpet (promiscuous woman); woman of easy virtue, prostitute (woman having sex for profit)
Synonyms: fille facile, femme facile, prostituée
femme (“woman”) + de petite vertu (“of easy virtue”, literally “of small virtue”)