pampero
Concise Oxford English Dictionary © 2008 Oxford University Press:
pampero /pamˈpɛːrəʊ/
▶noun (pl. pamperos) a strong, cold south-westerly wind in South America, blowing from the Andes across the pampas towards the Atlantic.
– origin C18: Sp., from pampas ‘plain’.
'pampero' also found in these Oxford entries:

