arma

weapon, arm

“El arma secreta” — the secret weapon

Related: a las armas, al arma, antiarma, arma arrojadiza, arma biológica, arma blanca, arma de asedio, arma de destrucción masiva, arma de doble filo, arma de dos filos

Inherited from Old Spanish arma, from Late Latin arma (“weapon”), from Latin arma (“defensive arms”), from Proto-Indo-European *h₂(e)rmos (“fitting”), from the root *h₂er- (“to join”).