yaff
\ yaf \, verb;
1.Scot. and North England . to bark; yelp.
Quotes:
Probably it was a dog belonging to the natives, though native dogs near stations will yaff as they pursue their game, as I have heard them, but this is rare.
-- William Howitt, "The History of Discovery in Australia, Tasmania, and New Zealand ," 1865
Now he is certain; he pauses for a moment, looks back to see if his master is at hand; " Yaff! yaff !" the brakes ring with his merry clamor, his comrade rushes to his aid like lightning, yet pauses ever, obedient to the whistle, nor presses the game too rashly...
-- Henry William Herbert, "American Game in Its Seasons ," 1853
Origin:
Yaff may be a dialectal blend of waff meaning "bark" with yap or yawp . It entered English in the early 1600s.
Dictionary.com
