Avalanche
Avalanche (?; 277) , noun
[French avalanche, from avaler to descend, to let down, from aval down, downward; {not transcribed} (Latin ad) + val, Latin vallis, valley. See Valley.]
1.
A large mass or body of snow and ice sliding swiftly down a mountain side, or falling down a precipice.
2.
A fall of earth, rocks, etc., similar to that of an avalanche of snow or ice.
3.
A sudden, great, or irresistible descent or influx of anything.