samba (n.) Look up samba at Dictionary.com
Brazilian dance of African origin, 1885, Zemba, from Portuguese samba, shortened form of zambacueca, a type of dance, probably altered (by influence of zamacueco "stupid") from zambapalo, the name of a grotesque dance, itself an alteration of zampapalo "stupid man," from zamparse "to bump, crash." As a verb from 1949.