Senses
湮 to sink into oblivion
(literary) (bound form) to be buried; to be forgotten; to perish
湮 to blotch
(of liquids) to soak through, blotch, or splotch. This sense is now more commonly written as 洇 .
湮 to silt up
(of a waterway) to be blocked or silted up with mud and sand