vuestra

As we were talking about his thesis I learned that the pronoun “usted” is a corruption of vuestra merced brought about in the times of slavery (what the Real Academia shows online is that is comes from “vusted,” which makes his explanation plausible; one ought to be careful in matters like these, though otherwise I have no reason to doubt him).

Fateful Realizations of the Unexamined Life « Unknowing 2010

On September 9th 2009, ana wrote: paparazzi y periodista dejarlo ya que viva tranquilo su vida lo esteis matando dejarlo respirar sino a consecuencia que ese chaval se ruina su vida por culpa vuestra

Robert Pattinson Shirtless Photos (“The Twilight Saga: New Moon”) 2009

The Castilian as frequently replied, “your courtesy” (vuestra merced), a title bestowed on those who have none by right.

A Philosophical Dictionary 2007

By the way, the word 'usted' came from shortening 'vuestra merced' meaning 'your mercy'.

Christmas Spanish Lessons 2003

The tendency common to all tongues, towards a disuse of the second person singular, as too blunt and familiar, is carried so far in Spanish and Portuguese as to disuse the second person plural also, except in the family circle, and to substitute the indirect phrases, _vuestra Merced_ (in Spanish) and

The Atlantic Monthly, Volume 06, No. 37, November, 1860 Various

[Note 11: "Idos a vuestra casa, que yo os envie a servir reyes; y vos fuiste a matar reyes."]

History of the Incas Pedro Sarmiento de Gamboa

El vuestro, la vuestra, los vuestros, las vuestras (yours _familiar_).

Pitman's Commercial Spanish Grammar (2nd ed.) C. A. Toledano

"_A la disposicion de vuestra señoria, Don Pedro_," replied my betrothed, following his example.

Margaret Tudor A Romance of Old St. Augustine Annie T. Colcock

_ Senhor, soy muy humilde, y muy obligado Cryado de vuestra merced: Mi Padre Embia a vuestra merced, los mas profondos de sus respetos; y a Commissionado este Mercadel Ingles, de concluyr un negocio, que me Haze el mas dichoso hombre del mundo, Haziendo me su yerno.

The Busie Body Susanna Centlivre

_ Senior, beso Las Manos vuestra merced es muy bien venido en esta tierra.

The Busie Body Susanna Centlivre