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This Proto-Indo-European entry contains reconstructed words and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.




An onomatopoeic doublet of *bʰew- (to inflate, to blow).



  1. to blow, to whizz, to turmoil
  2. to strike, to poke


  • *bow-eh₂yé-ti (eh₂-causative)
    • Ancient Greek: βοάω (boáō, to hawl)
  • *bow-to- (t-participle)


  • *bowk-
    • Indo-Aryan:
    • Balto-Slavic:
      • Slavic: *bučati (to howl, to roar)[3] (see there for further descendants)
      • Slavic: *bykъ (bull) (see there for further descendants)
    • Germanic: *pukkô (see there for further descendants)
  • *bowks-
    • Balto-Slavic:
      • Slavic: *buxati (to strike with a boom)
    • Italic:
      • Latin: buxus (possibly)
        • → Ancient Greek: πύξος (púxos)
        • → Germanic: *buhsuz (see there for further descendants)
  • *bowl-
    • Celto-Italic:
      • Gaulish: bulla (blister)
        • → Latin: bulliō (to bubble, to boil)
    • Germanic: *būlō (see there for further descendants)
    • Germanic: *pullaz (see there for further descendants)
  • *bowr-


  1. ^ Pokorny, Julius (1959) Indogermanisches etymologisches Wörterbuch [Indo-European Etymological Dictionary] (in German), volume I, Bern, München: Francke Verlag, page 97
  2. ^ De Vaan, Michiel (2008), “būteō”, in Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, page 77
  3. ^ The same verb also means to clump, to bloat which is likely an extension of *bujаti (to sprout, to rage) < *bʰew-.
  4. ^ This lemma can as well be a r/n-derivative of *bujаti < *bʰew-.