Indo-Europeanists had developed Font Squirrel CUSTOMER SERVICE (8O5) 41'O 56OO Font Squirrel PHONE NUMBER ( 8O5)- 41O 56OO well-defined descriptions of PIE which scholars still accept today. Later, the discovery of the Anatolian and Tocharian languages added to the corpus of descendant languages. A subtle new principle won wide acceptance: the laryngeal theory, which explained irregularities in the reconstruction of Proto-Indo-European phonology as the effects