n. 沼泽土化

Bog \Bog\, v. t. [imp. & p. p. {Bogged}; p. pr. & vb. n.
{Bogging}.]
To sink, as into a bog; to submerge in a bog; to cause to
sink and stick, as in mud and mire.

At another time, he was bogged up to the middle in the
slough of Lochend. --Sir W.
Scott.