föhn

 
Pronunciation: /fəːn/
(also foehn)

noun

(often the föhn)
  • a hot southerly wind on the northern slopes of the Alps.
  • (also föhn wind) Meteorology a warm dry southerly wind developing in the lee of any mountain range.

Origin:

mid 19th century: from German, based on Latin (ventus) Favonius 'mild west wind', Favonius being the Roman personification of the west or west wind