The Thracian word mar
Word mar
Meaning water, river, bog
See also Cappadocian Greek: μάρικο ‘small water vessel’
Synonyms achel-, arta(s), iuras, kaba(s), sara, sind(u)-, strumon, opa

Other words that might be of interest
ala ‘current, stream’, alta ‘current, stream’, arma ‘swamp’, ars ‘to flow’, e(i)b ‘to flow’, kalsas ‘dry, dried up’, ostas ‘river mouth’, pala ‘swamp’, krisos ‘river name’