Ablaut

//ˈɑbˌlaʊt// noun, verb

Definitions

Noun
  1. 1
    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. countable, uncountable

    "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."

  2. 2
    a vowel whose quality or length is changed to indicate linguistic distinctions (such as sing sang sung song) wordnet
Verb
  1. 1
    To undergo a change of vowel. intransitive

    "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."

  2. 2
    To cause to change a vowel. transitive

Etymology

Etymology 1

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”).

Etymology 2

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”).

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