Proto-Indo-European language

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v t e Proto-Indo-European language
Phonology	Accent Centum and satem Glottalic theory Laryngeal theory s-mobile Sound laws boukólos rule kʷetwóres rule Glossary of sound laws Brugmann's Bartholomae's Fortunatov's Grassmann's Osthoff's Pinault's Siebs's Sievers's (Edgerton's converse) Stang's Szemerényi's
Morphology	Ablaut Caland system [[h₂e-conjugation theory\|Tɛmplet:PIE-conjugation]] Narten present Nasal infix Root Thematic vowel Vṛddhi
Parts of speech	Nominals (nouns and adjectives) Numerals Particles Pronouns Verbs copula Vocabulary
Main sources	Indogermanisches etymologisches Wörterbuch (IEW) Lexikon der indogermanischen Verben (LIV) Lexikon der indogermanischen Partikeln und Pronominalstämme (LIPP) Nomina im Indogermanischen Lexikon (NIL) Indo-European Etymological Dictionary (IEED)
Origins	Indo-European migrations Proto-Indo-European homeland Salmon problem
Artificial compositions	Schleicher's fable The king and the god
Theories	Kurgan hypothesis Schleicher theories Anatolian hypothesis Armenian hypothesis Outdated theories: Beech argument North European hypothesis
See also	Proto-Indo-European mythology Proto-Indo-European society Indo-European studies Encyclopedia of Indo-European Culture (EIE)