ablaut

ab·lowt
A1B3L1A1U1T1
US/ˈɑbˌlaʊt/US/ˈɑpˌlaʊt/US/ˈæbˌlaʊt/

noun

The substitution of one root vowel for another, thus indicating a corresponding modification of use or meaning; vowel permutation, distinct from the phonetic influence of a succeeding vowel.

First used Mid 19ᵗʰ century.Scrabble 8

Meanings

nounablaut (countable and uncountable, plural ablauts)

plural ablauts

  1. countableuncountablehuman sciencesThe substitution of one root vowel for another, thus indicating a corresponding modification of use or meaning; vowel permutation, distinct from the phonetic influence of a succeeding vowel.First known use Mid 19ᵗʰ century.

    I declare to you that Literature was not written for schoolmasters, nor for schoolmistresses. I would not exchange it for a wilderness of schoolmasters. It should be delivered from them, who, with their silly Ablauts and ‘tendencies,’ can themselves neither read nor write.

    1920, Arthur Quiller-Couch, On The Art of Reading

    Synonyms: alternation

verbablaut (third-person singular simple present ablauts, present participle ablauting, simple past and past participle ablauted)

present singular third person ablauts · participle present ablauting · participle past ablauted · past ablauted

  1. intransitivehuman sciencesTo undergo a change of vowel.

    This allomorph also causes the back vowel to ablaut to a low vowel.

    2012, Bernard Comrie, Zarina Estrada Fernández, Relative Clauses in Languages of the Americas: A Typological Overview, page 219
    3 more examples

    This root must once have ablauted, given the associated nominal derivatives prthii- 'broad', prthivl- 'earth'. However, it does not ablaut at all in its verbal forms.

    1983, Stephanie W. Jamison, Function and Form in the -áya-formations of the Rig Veda and ..., page 209

    What we find is that one cannot predict which members of V a given member of E will cause to ablaut

    1985, Michael E. Krauss, Yupik Eskimo prosodic systems: descriptive and comparative studies, page 241

    It is these co-opted verbs that tend to ablaut variably in the different Dakotan dialects and that forced morphological restructuring

    2006, Felix K. Ameka, Alan Charles Dench, Nicholas Evans, Catching language: the standing challenge of grammar writing, page 536
  2. transitivehuman sciencesTo cause to change a vowel.

Synonyms & antonyms

nounThe substitution of one root vowel for another, thus indicating a corresponding modification of use or meaning; vowel permutation, distinct from the phonetic influence of a succeeding vowel.

Origin

  1. Proto-Indo-European*h₂ep
  2. Proto-Indo-European*h₂epó
  3. Proto-Germanic*ab
  4. Old High Germanab
  5. Middle High Germanab
  6. Germanab
  7. Germanab-
  8. Proto-Indo-European*ḱel-
  9. Proto-Indo-European*ḱlew-
  10. Proto-Indo-European*ḱlutós
  11. Proto-Germanic*hlūdaz
  12. Proto-West Germanic*hlūd
  13. Old High Germanlūt
  14. Middle High Germanlūt
  15. GermanLaut
  16. GermanAblaut
  17. Englishablaut

Borrowed from German Ablaut (“sound gradation”), which is from ab- or ab (“down, off”), + Laut (“sound”). Ab is used here in the sense of “deviating, varying” as in Abgott (“god other than the true God”), Abart (“different sort, variety, anomality”).

Full word history & related roots →

Translations

Afrikaans ablaut
  • ablautsubstitution of one root vowel for another
Bulgarian абла́ут
  • абла́ут (abláut)substitution of one root vowel for another
Catalan apofonia
  • apofoniasubstitution of one root vowel for another
Czech kmenostup, střída
  • kmenostupsubstitution of one root vowel for another
  • střídasubstitution of one root vowel for another
Danish aflyd
  • aflydsubstitution of one root vowel for another
Dutch ablaut, klankwisseling
  • ablautsubstitution of one root vowel for another
  • klankwisselingsubstitution of one root vowel for another
  • klinkerwisselingsubstitution of one root vowel for another
Finnish äännevaihtelu, ablaut
  • äännevaihtelusubstitution of one root vowel for another
  • ablautsubstitution of one root vowel for another
French apophonie
  • apophoniesubstitution of one root vowel for another
German Ablaut (Vokalabstufung f)
  • Ablaut (Vokalabstufung f)substitution of one root vowel for another
Greek μετάπτωση
  • μετάπτωση (metáptosi)substitution of one root vowel for another
Hebrew אַפּוֹפוֹנְיָה, אַבְּלָאוּט
  • אַפּוֹפוֹנְיָה (apofónya)substitution of one root vowel for another
  • אַבְּלָאוּטsubstitution of one root vowel for another
Hungarian tőhangváltás, tőhangváltozás
  • tőhangváltássubstitution of one root vowel for another
  • tőhangváltozássubstitution of one root vowel for another
  • hangmásulássubstitution of one root vowel for another
  • ablautsubstitution of one root vowel for another
  • apofóniasubstitution of one root vowel for another
  • tőhangzóváltozássubstitution of one root vowel for another
  • fokváltakozássubstitution of one root vowel for another
Icelandic hljóðskipti
  • hljóðskiptisubstitution of one root vowel for another
Irish ablabht, grádaíocht
  • ablabhtsubstitution of one root vowel for another
  • grádaíochtsubstitution of one root vowel for another
Italian apofonia
  • apofoniasubstitution of one root vowel for another
Korean 모음 전환
  • 모음 전환 (mo'eum jeonhwan)substitution of one root vowel for another
Latvian ablauts
  • ablautssubstitution of one root vowel for another
Lithuanian abliautas
  • abliautassubstitution of one root vowel for another
Polish przegłos, alternacja
  • przegłossubstitution of one root vowel for another
  • alternacjasubstitution of one root vowel for another
  • apofoniasubstitution of one root vowel for another
Portuguese ablaut, apofonia
  • ablautsubstitution of one root vowel for another
  • apofoniasubstitution of one root vowel for another
Romanian apofonie, ablaut
  • apofoniesubstitution of one root vowel for another
  • ablautsubstitution of one root vowel for another
Russian абла́ут, абля́ут
  • абла́ут (abláut)substitution of one root vowel for another
  • абля́ут (abljáut)substitution of one root vowel for another
  • апофони́я (apofoníja)substitution of one root vowel for another
Spanish apofonía
  • apofoníasubstitution of one root vowel for another
Swedish avljud
  • avljudsubstitution of one root vowel for another

Rhymes & wordplay

Rhymes with ablaut

All rhymes →

Anagrams

Cite this entry
APA

ablaut. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ablaut

MLA

“ablaut.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ablaut. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “ablaut,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ablaut.

Source: ablaut on Wiktionary, CC BY-SA 4.0.