The Thracian word pala
Word pala
Meaning swamp
See also Early Proto-Albanian: *baltā ‘swamp, marsh, dirt, earth’
Illyrian: *bolto ‘swamp’
Synonyms arma, kaba(s)

Other words that might be of interest
achel- ‘water’, ala ‘current, stream’, alta ‘current, stream’, ars ‘to flow’, arta(s) ‘river’, e(i)b ‘to flow’, iuras ‘water, river’, kalsas ‘dry, dried up’, mar ‘water, river, bog’, ostas ‘river mouth’, sara ‘river’, sind(u)- ‘river’, strumon ‘river’, opa ‘water’, krisos ‘river name’