Proto-IE: *palw-
Meaning: clay, mud, morass
Old Indian: palvala- n. `pool, small tank, pond', palvalyá- 'palustris, marshy, boggy', Pāli pallalam 'small pond'
Old Greek: pǟló-s m. `Lehm, Ton, Schlamm, Kot, Morast'
Latin: palūs, gen. -ūdis f. `stehendes Wasser, Sumpf, Pfütze'
Albanian: püɫ 'Wald'
Russ. meaning: глина, грязь, болото
References: WP II 55
piet-meaning,piet-ind,piet-greek,piet-balt,piet-lat,piet-alb,piet-rusmean,piet-refer,
Proto-Baltic: *pal-ā̂ f., -ia- c.
Meaning: marsh
Lithuanian: pãliōs pl. 'grosser Sumf, Moor'
Lettish: pa[l̨]as, pal̨i pl. 'sumpfige Ufer eines Sees'