Etymograph > Indo-European > Proto-Germanic > Dictionary

*swamban-

sponge, mushroom

Source: Kroonen 2013:495
Variations
*swamppan- 'sponge, mushroom'
Words originating from this one
OE swam 'sponge, mushroom' (swamban- > swąmban > swamban) through pgmc-to-oe
(source: Kroonen 2013:495)