sancho

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The name Sancho ({{IPA|es|ˈsantʃo|lang}}) is an Iberian name of Basque origin (Santxo, Santzo, Santso, Antzo, Sans).{{Cite web|url=http://www.deperu.com/apellidos-peruanos/significado.php?AP=46|title = Apellidos de los Peruanos, Heráldica Peruana}} Sancho stems from the Latin name Sanctius.Eichler, Ernst; Hilty, Gerold; Löffler, Heinrich; Steger, Hugo; Zgusta, Ladislav: Namenforschung/Name Studies/Les noms propres, Walter de Gruyter, 1 January 1995, p. 748 [https://books.google.com/books?id=ck1CLzJq9vAC&dq=Sancho+sanctius+basque&pg=PA748 Online] Feminine forms of the name are Sancha, Sancia, and Sanchia ({{IPA|es|ˈsantʃa|lang}}), and the common patronymic is Sánchez and Sanches.

Outside the Spanish-speaking world, the name is especially associated with the literary character Sancho Panza.

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Sancho is a common slang term in the Spanish speaking world for the other man in the relationship. As in a spouse or girlfriend who is being unfaithful with a Sancho. Sancha is the feminine equivalent.{{Cite web|url=https://www.sutori.com/en/item/sancho-is-the-mexican-spanish-slang-for-the-other-man-in-a-relationship-in |title=The Tortilla Curtain}}