Wurdahuzdą: Proto-Germanic dictionary — *sumpaz Scott K. Shay Wardja Press https://protogermanic.org/pgmc_sumpaz

Single-entry extract from the dictionary. Cross-references to other entries point to their identifiers in the full dictionary.
sumpaz ˈsum.pɑz ᛊᚢᛗᛈᚨᛉ
noun masculine a-stem fungus, sponge swamp, marsh Compare *swammaz (‘sponge, fungus’); both along with the variant *swambaz may derive from an earlier n-stem *swambô (Nom.sg.) ~ *sumppaz (Gen.sg.). It is unclear whether both words are of Indo-European origin or wanderworts.
sumpaz
sumpōz, sumpōs
sumpą
sumpanz
sumpas, sumpis
sumpǫ̂
sumpai
sumpamaz
sumpō
sumpamiz
sump
sumpōz, sumpōs
Proto-West Germanic *sump Old Dutch *sump Middle Dutch sump, somp Dutch zomp
Proto-West Germanic *sump Old Dutch *sump Middle Dutch sump, somp Middle English ?, sompe, swamp English sump, swamp
Proto-West Germanic *sump Old English *sump Middle English sumpe
Proto-West Germanic *sump Old Frisian *sump Saterland Frisian Sump
West Frisian sompe, somp
Proto-West Germanic *sump Old High German *sumpf Middle High German sumpf Czech žumpa
Polish żąp
Proto-West Germanic *sump Old High German *sumpf Middle High German sumpf German Sumpf Hungarian zsombék
Proto-West Germanic *sump Old High German *sumpf Middle High German sumpf German Sumpf Swedish sump Finnish sumppu
Proto-West Germanic *sump Old Saxon *sump Middle Low German sump German Low German Sump
Norwegian sump
Plautdietsch Somp
Old Norse ?
Old Norse soppr