[From Italian alla puttanesca, in puttanesca style, from puttanesca, feminine of puttanesco, like a prostitute, filthy, from Old Italian, from puttana, female prostitute, from Old French putain, from pute, feminine of put, foul, stinking, from Latin pūtidus, from pūtēre, to be rotten, stink; see p- in the Appendix of Indo-European roots.]