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 Zealand. From the 1950s until the 1970s the Wyvern House choir under the direction of Joan Gray achieved distinction in the Sydney Eisteddfod and boys were prepared for participation in performances by the Australian Elizabethan Theatre Trust and The Australian Opera. An exchange program was initiated in 1975 between Wyvern and La Verne Heights Elementary School in Los Angeles. During the 125th anniversary of Newington, Wyvern celebrated its Silver Jubilee. In 1995 the Adult Deaf Society Headquarters in Cambridge Street, Stanmore, were purchased for the relocation of Wyvern to a stand-alone campus. In that year enrolments had grown to 347