Proto-IE: *bhlew-; *bhleu-d-, *bhleu-gʷ-
Meaning: to overflow, to vomit
Old Greek: 1) phléō, gen. abs. phleóntōn , pf. p. ptc. peripephleu̯sménōn `überfliessen, überfluten, strotzen'; phlǘō, aor. phlǘsai̯ `sprudeln, überwallen', prs. inf. apo-phlǘein = aporéugesthai Hsch., phlǘos n. `Geschwätz', phlǘsi-s f. `eksánthēsis' (Hp. ap. Gal.); phlói̯ō `to burst out, swell, be in full vigour or bloom' (Antim., Plut.), hüpér-phloi̯o- 'luxuriant, succulent' (Emp.); 2) phlüdáō `über-, zerfliessen, weich werden', phlüdaró- `weich, matschig', ek-phlündánō `aufbrechen (von Geschwüren)' (Hp. ); 3) oi̯nó-phlü̆k-s, -gos 'given to drinking, drunk'; phlǘzdō `sprudeln, überwallen (von der Rede)', phlǘzdein = anazdeîn Hsch., aor. ek-phlǘksai̯; phlüktís, -ídos f. (acc.pl. phlǘkteis Dsc.) 'blister; boil', phlǘktai̯na 'blister made by a burn, caused by rowing; pustule'
Latin: fluō, -ere, flūxī, flūctum/flūxum `fliessen, strömen', flūctus, -ūs (/-ī) m. `Strömung, Woge', flūmen, -inis n. `fliessendes Wasser; Strömung; Fluss', pl. cōnflugēs (~ -ū-) `zusammenströmende Wassermassen', fluvius, -ī m. `Fluss', pl. flustra (~ -ū-) n. `Meeresstille', flūxus, -a `fliessend, wallend, wankend, schlaff'; fluor m. `Strömung, Bauchfluss etc.; Monatsfluss'; fluentum n . `Strömung'; cōn-, per-, prō-, super-fluus etc.
Russ. meaning: переливаться через край, блевать
References: WP II 212 f
