Proto-IE: *pel-u-; *pel[e]-, *plē-
Meaning: many
Old Indian: purú- `much, many, abundant', f. pūrvī́, comp. prāyas adv. `for the most part, mostly'
Avestan: pouru- `viel'; comp. frāyah- `mehr'
Other Iranian: OPers paru `viel'
Old Greek: polǘ-, f. pollǟ́ `viel, zahlreich, häufig', polló- `id.'; comp. aeol., dor. plḗōn, pléon, att. pléi̯ōn
Latin: plūs (OLat plous) `mehr', plūrimus (OLat ploirume, plouruma) `meist'
Celtic: *hel-, *hlī- > OIr il `viel', lia `plus, plures'; OCymr liaus `multitudo', Cymr lliaws `multitudo'
Russ. meaning: много
References: WP II 63 f
