Derivatives of this language have been grouped by their use of "s" or "k" sounds in words for "one hundred.
A book on this language begins by distinguishing between its words for "man" and "sire," and noting the eventual conflation of its words for wild and domesticated pigs. A comparative study of the "poetics" of this language called How to Kill a Dragon was written by Calvert Watkins. The laryngeal theory extended the vowels affected by the ablaut of this language. Books on "Agent" and "Action" nouns in this language and on the "Vocabulary" of this language's institutions were written by Émile (*) Benveniste, who greatly influenced studies of this language's speakers by Georges Dumézil. Derivatives of this language have been grouped by their use of "s" or "k" sounds in words for "one hundred." This language was postulated to have "sonant coefficients" by the young Ferdinand de Saussure. For 10 points, name this language first postulated by Sir William Jones, who noticed that Sanskrit was very similar to Greek and Latin.
A book on this language begins by distinguishing between its words for "man" and "sire," and noting the eventual conflation of its words for wild and domesticated pigs.
Proto-Indo-European Language [or PIE; there is no language called "Indo-European," so don't accept that]