noun, feminine/a.va.lɑ̃ʃ/plural: avalanches
avalanche
Borrowed from Franco-Provençal avalançhe (Savoy), blend of aval (“downhill”) and standard lavençhe, from Vulgar Latin *labanka (compare Occitan lavanca, Italian valanga), alteration of Late Latin labina (“landslide”) (compare (Dauphiné) Franco-Provençal lavino, Romansh lavina), from Latin lābor (“to slip, slide”).