Wyvern folklore is rarely fire-breathing like the four-legged dragon. Sometimes modern fantasy book and media authors have wyverns that are frost-breathing or poison-breathing instead of fire-breathing. The current spelling "wyvern" is not attested before the seventeenth century as "winged two-footed dragon". According to the Oxford English Dictionary, it is an alteration of Middle English "wyver" (attested thirteenth century), from Anglo-French "wivre" (cf. French "guivre" and "vouivre"), which originate from Latin "vīpera", meaning "viper", "adder", or "asp". Conversely, medievalist William Sayers proposes a more complex origin for the term. He notes that the Anglo-French "guivre" and its Middle English derivative ceased to
Wyvern House owned by the Anglican Deaconess Institution, Sydney. From 1997, the site became an additional campus of Mary Andrews College and provided residential accommodation. The property was leased back to its previous owner for the first twelve months until plans were formulated for its redevelopment. This 5000 square metre property greatly expanded the current Wyvern campus. The head of Wyvern House was initially known as Housemaster and then as Master-in-charge and currently as Master. Wyvern House was largely designed and built as a primary school but incorporates Dey House, built in 1954, and the Stanmore Deaf Centre, 1975, which had both