August Leskien

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August Leskien
August Leskien.png
Born(1840-07-08)8 July 1840
Died20 September 1916(1916-09-20) (aged 76)
Main interests
Indo-European studies, Baltic and Slavic languages
August Leskien signature.png

August Leskien (German: [lɛsˈkiːn]; 8 July 1840 – 20 September 1916) was a German linguist active in the field of comparative linguistics, particularly relating to the Baltic and Slavic languages.


Leskien was born in Kiel. He studied philology at the universities of Kiel and Leipzig, receiving his doctorate from the latter in 1864. He taught Latin and Ancient Greek at the Thomasschule zu Leipzig from 1864 to 1866. In 1866, he began studying comparative linguistics under August Schleicher at the University of Jena. He completed his habilitation in 1867 and went on to lecture at the University of Göttingen.

He was appointed as the extraordinary professor (außerordentlicher Professor) of comparative linguistics and Sanskrit at Jena in 1868. Two years later, he was named as the extraordinary professor of Slavic philology at the University of Leipzig, where he delivered the first course there in Slavic languages. He was promoted to full professorship (ordentlicher Professor) in 1876 and remained in the position until 1915.

In 1884 he became an editor of Ersch and Gruber's Realencyklopädie. Leskien was a founding member of the journal Archiv für slavische Philologie. He died in Leipzig.

Research, writings and thought[edit]

Leskien was a central figure in the group of linguists at Leipzig who later became known as the Neogrammarians. The group strove to approach linguistics in a scientific manner; Leskien formulated their main doctrine, namely that phonetic laws have no exceptions (Ausnahmslosigkeit der Lautgesetze). Leskien's hypothesis was that phonetic shifts do not occur randomly or haphazardly, but instead are the product of directly observable conditions. Among the students that Leskien taught are: Jan Niecisław Baudouin de Courtenay, Ferdinand de Saussure, Leonard Bloomfield, Nikolai Trubetzkoy, Karl Verner and Adolf Noreen. Thus Leskien can be seen as a key founder of modern comparative linguistics, particularly in the fields of Baltic and Slavic languages.

In his 1881 essay 'Die Quantitätsverhältnisse im Auslaut des Litauischen', Leskien formulated Leskien's Law, a sound law devised to describe a particular aspect of sound change in Lithuanian. According to this law long vowels, along with the diphthongs ie and uo, with an acute intonation are shortened in the final syllable of a word. Leskien is also the author of Handbuch der altbulgarischen Sprache, a guide to Old Church Slavonic (3rd ed. 1898; 8th, revised and enlarged edition 1962). Although superseded in places by more recent studies, the book is still in print and remains in use by scholars to the present day. With Karl Brugmann, he edited Litauische Volkslieder und Märchen (“Lithuanian Folk Songs and Tales”; 1882).

Other works include:

  • Indogermanische Chrestomathie, with Ebel, Schleicher, and Schmidt (1869)
  • Die Deklination im Slawisch-Litauischen und Germanischen (1876)
  • Untersuchungen über Quantität und Betonung in den slawischen Sprachen (1885–93)
  • Die Bildung der Nomina im Litauischen (1891)



  • Walther Killy and Rudolf Vierhaus (eds.) (1997). Deutsche Biographische Enzyklopädie (DBE). Volume 6: Kogel – Maxsein. München (u. a.): K.G. Saur.}} p. 342.
  • Wilhelm Streitberg: "August Leskien". In: Indogermanisches Jahrbuch I (1913). p. 216–218.
  • Wilhelm Streitberg: "August Leskien". In: Indogermanisches Jahrbuch VII (1919). p. 138–143.
  • Harald Wiese: Eine Zeitreise zu den Ursprüngen unserer Sprache. Wie die Indogermanistik unsere Wörter erklärt, Logos Verlag Berlin, 2007.
  • Gilman, D. C.; Peck, H. T.; Colby, F. M., eds. (1905). "Leskien, August" . New International Encyclopedia (1st ed.). New York: Dodd, Mead.

External links[edit]