Greek word
katalýō
καταλύω
What it means
to loosen down, i.e. to demolish
to loosen down (disintegrate), i.e. (by implication) to demolish (literally or figuratively); specially (compare katályma (κατάλυμα)) to halt for the night
Where it comes from
from katá (κατά) and lýō (λύω)