samplavah
samplavaḥ — the perfect means or complete devastation;
SB 2.8.21
samplavaḥ — annihilation by flood;
SB 12.8.2-5
loka-samplavaḥ — the annihilation of the universe;
SB 12.9.34
samplavaḥ — a revolution;
SB 12.12.52