12th cent. Borrowed from Gothic *wardja "watchman."
Derived from the verb in Proto-Germanic *warjan- "to prevent." From Proto-Indo-European *h2u̯or-éi̯e- 'id.'
Also the origin of the surnames Guardia, Guarda, La Guardia, Laguardia, and Guardias.
Gothic warjan, Old Norse verja, Old Saxon werian, Old High German werren, Old English werian
Lithuanian vérti "to pierce," Latvian vẽrt "to open"
Ancient Greek ἀείρειν (aeírein) "to raise"
Sanskrit vr̥ṇóti "to cover," Young Avestan vərənaoti 'id.'